ASVAB Flashcards: Verbal, Math, Science & Technical Review

Карти в това тесте

1. Карта 1

   Въпрос

   What is a passage's main idea?

   Отговор

   The central point the author wants the whole passage to communicate.

2. Карта 2

   Въпрос

   What is the standard order of operations?

   Отговор

   Parentheses → exponents → multiplication and division from left to right → addition and subtraction from left to right.

3. Карта 3

   Въпрос

   What is the basic structural and functional unit of life?

   Отговор

   The cell.

4. Карта 4

   Въпрос

   What is electric current?

   Отговор

   The rate at which electric charge flows.

5. Карта 5

   Въпрос

   What properties stay unchanged when a shape is rotated?

   Отговор

   Its size, side lengths, angles, and handedness stay unchanged; only orientation changes.

6. Карта 6

   Въпрос

   What does abundant mean?

   Отговор

   Plentiful; present in large amounts.

7. Карта 7

   Въпрос

   What is a prime number?

   Отговор

   A whole number greater than 1 with exactly two positive factors: 1 and itself.

8. Карта 8

   Въпрос

   What is the nucleus's main role in a eukaryotic cell?

   Отговор

   It stores most of the cell's DNA and helps control gene activity.

9. Карта 9

   Въпрос

   What does an internal-combustion engine do?

   Отговор

   Converts fuel's chemical energy into mechanical motion through combustion.

10. Карта 10

    Въпрос

    How does a reflection affect a shape's orientation?

    Отговор

    It reverses handedness, producing a mirror image.

11. Карта 11

    Въпрос

    What does the prefix pre- mean?

    Отговор

    Before, as in preview.

12. Карта 12

    Въпрос

    What is a factor of a number?

    Отговор

    A whole number that divides the number with no remainder.

13. Карта 13

    Въпрос

    What do mitochondria do?

    Отговор

    They release usable energy from food molecules and make much of the cell's ATP.

14. Карта 14

    Въпрос

    What eye protection is standard when chips, sparks, or flying debris are possible?

    Отговор

    Properly rated safety glasses or goggles suited to the hazard.

15. Карта 15

    Въпрос

    What is a translation of a shape?

    Отговор

    A slide that changes position without rotating or reflecting the shape.

16. Карта 16

    Въпрос

    What is a supporting detail?

    Отговор

    A fact, example, reason, or explanation that develops the main idea.

17. Карта 17

    Въпрос

    What is a multiple of a number?

    Отговор

    A result of multiplying that number by an integer.

18. Карта 18

    Въпрос

    What is the cell membrane's main job?

    Отговор

    It controls what enters and leaves the cell.

19. Карта 19

    Въпрос

    When force acts along the direction of motion, what is mechanical work?

    Отговор

    Force times displacement: $W=Fd$.

20. Карта 20

    Въпрос

    What must be true of two boundaries that join exactly?

    Отговор

    Their lengths and contours must match while facing in complementary directions.

21. Карта 21

    Въпрос

    What does concise mean?

    Отговор

    Brief but clear; using no unnecessary words.

22. Карта 22

    Въпрос

    How do you convert a fraction to a decimal?

    Отговор

    Divide the numerator by the denominator.

23. Карта 23

    Въпрос

    What is photosynthesis?

    Отговор

    The process by which plants, algae, and some microbes use light energy to make sugars from carbon dioxide and water.

24. Карта 24

    Въпрос

    What is the SI unit of electric current?

    Отговор

    The ampere, or amp.

25. Карта 25

    Въпрос

    How should a tab-and-slot pair behave in a valid assembly?

    Отговор

    The tab should fit the slot without leaving a gap or creating overlap.

26. Карта 26

    Въпрос

    What does the suffix -less mean?

    Отговор

    Without, as in careless.

27. Карта 27

    Въпрос

    How do you convert a decimal to a percent?

    Отговор

    Multiply by 100 and add the percent sign.

28. Карта 28

    Въпрос

    What is cellular respiration?

    Отговор

    A process that releases energy from food molecules, commonly using oxygen and producing carbon dioxide and water.

29. Карта 29

    Въпрос

    What does a piston do in a reciprocating engine?

    Отговор

    Moves back and forth in the cylinder and transfers combustion force to the connecting rod.

30. Карта 30

    Въпрос

    Which edges determine an assembled object's outer silhouette?

    Отговор

    Only edges that remain exposed after the pieces join.

31. Карта 31

    Въпрос

    What is an inference in reading?

    Отговор

    A conclusion supported by passage evidence even when it is not stated directly.

32. Карта 32

    Въпрос

    How do you convert a percent to a decimal?

    Отговор

    Divide by 100, or move the decimal point two places left.

33. Карта 33

    Въпрос

    What is DNA?

    Отговор

    The molecule that stores hereditary information in living organisms.

34. Карта 34

    Въпрос

    What fastener is a Phillips screwdriver designed to turn?

    Отговор

    A screw with a cross-shaped recess.

35. Карта 35

    Въпрос

    What usually happens to two edges joined along a shared boundary?

    Отговор

    They become internal to the assembly rather than part of the outside outline.

36. Карта 36

    Въпрос

    What does diligent mean?

    Отговор

    Careful and persistent in one's work.

37. Карта 37

    Въпрос

    What is the reciprocal of a nonzero number?

    Отговор

    The number that gives 1 when multiplied by the original number; for $a/b$, it is $b/a$.

38. Карта 38

    Въпрос

    What is a gene?

    Отговор

    A segment of DNA that contributes to a functional product or inherited trait.

39. Карта 39

    Въпрос

    What is mechanical power?

    Отговор

    The rate of doing work: $P=W/t$.

40. Карта 40

    Въпрос

    Why does overlap eliminate a proposed piece arrangement?

    Отговор

    Solid pieces cannot occupy the same area in a valid assembly.

41. Карта 41

    Въпрос

    What does the root bio mean?

    Отговор

    Life, as in biology.

42. Карта 42

    Въпрос

    What makes two fractions equivalent?

    Отговор

    They represent the same value because the numerator and denominator were multiplied or divided by the same nonzero number.

43. Карта 43

    Въпрос

    What is an allele?

    Отговор

    One version of a gene.

44. Карта 44

    Въпрос

    What is voltage?

    Отговор

    Electric potential difference: energy transferred per unit charge.

45. Карта 45

    Въпрос

    What scale rule applies when comparing pieces meant to join?

    Отговор

    They must be compared at the same scale; rotation does not resize a piece.

46. Карта 46

    Въпрос

    What is an author's purpose?

    Отговор

    The main reason for writing, such as to inform, explain, persuade, or entertain.

47. Карта 47

    Въпрос

    What does a ratio compare?

    Отговор

    Two quantities by division.

48. Карта 48

    Въпрос

    What is the main job of red blood cells?

    Отговор

    Carry oxygen, mainly through hemoglobin.

49. Карта 49

    Въпрос

    What does a crankshaft do in a piston engine?

    Отговор

    Converts the pistons' back-and-forth motion into rotation.

50. Карта 50

    Въпрос

    What is a useful anchor for mental assembly?

    Отговор

    A distinctive corner, notch, tab, or long edge that can be tracked across rotations.

51. Карта 51

    Въпрос

    What does obsolete mean?

    Отговор

    No longer used because something newer has replaced it.

52. Карта 52

    Въпрос

    What is a proportion?

    Отговор

    An equation stating that two ratios are equal.

53. Карта 53

    Въпрос

    What is the main job of white blood cells?

    Отговор

    Help defend the body against infection and other threats.

54. Карта 54

    Въпрос

    What fastener is a slotted screwdriver designed to turn?

    Отговор

    A screw with one straight slot.

55. Карта 55

    Въпрос

    What should you track while mentally rotating a complex piece?

    Отговор

    One distinctive landmark and its relationship to nearby edges.

56. Карта 56

    Въпрос

    What does the prefix anti- mean?

    Отговор

    Against or opposed to, as in antifreeze.

57. Карта 57

    Въпрос

    How do you find the arithmetic mean?

    Отговор

    Add all values and divide by the number of values.

58. Карта 58

    Въпрос

    What does a neuron do?

    Отговор

    Receives and transmits information through electrical and chemical signals.

59. Карта 59

    Въпрос

    How is ideal mechanical advantage defined?

    Отговор

    Ideal mechanical advantage is input distance divided by output distance. In a frictionless ideal machine, it also equals output force divided by input force.

60. Карта 60

    Въпрос

    How can symmetry help with a spatial-relation problem?

    Отговор

    It reveals repeated or mirrored positions. Reflection reverses handedness, so a candidate must match the target's handedness.

61. Карта 61

    Въпрос

    How does a definition context clue help with an unfamiliar word?

    Отговор

    The sentence directly explains the word's meaning nearby.

62. Карта 62

    Въпрос

    What is the median?

    Отговор

    The middle value after the data are ordered, or the mean of the two middle values when the count is even.

63. Карта 63

    Въпрос

    What is homeostasis?

    Отговор

    The maintenance of relatively stable internal conditions despite outside change.

64. Карта 64

    Въпрос

    What is the SI unit of voltage?

    Отговор

    The volt.

65. Карта 65

    Въпрос

    Does viewing an object from another angle change the object itself?

    Отговор

    No. The visible faces and edges change, but the object's dimensions and connections do not.

66. Карта 66

    Въпрос

    What does reluctant mean?

    Отговор

    Unwilling or hesitant.

67. Карта 67

    Въпрос

    Why use a least common denominator when adding fractions?

    Отговор

    It gives the fractions a shared unit size so their numerators can be combined.

68. Карта 68

    Въпрос

    What is an ecosystem?

    Отговор

    A community of organisms interacting with each other and with their physical environment.

69. Карта 69

    Въпрос

    What does a camshaft control in a four-stroke engine?

    Отговор

    The timing of intake and exhaust valve opening and closing.

70. Карта 70

    Въпрос

    How can a hidden edge be inferred in a simple assembly?

    Отговор

    Continue the visible boundary consistently unless another piece blocks or joins it.

71. Карта 71

    Въпрос

    What does the root geo mean?

    Отговор

    Earth, as in geology.

72. Карта 72

    Въпрос

    What is absolute value?

    Отговор

    A number's distance from zero, so it is never negative.

73. Карта 73

    Въпрос

    What is natural selection?

    Отговор

    Individuals with heritable traits suited to an environment tend to leave more offspring, so those traits become more common.

74. Карта 74

    Въпрос

    What is an open-end wrench mainly used for?

    Отговор

    Turning nuts and bolt heads that can be reached from the side.

75. Карта 75

    Въпрос

    What quick checks can eliminate an impossible assembly?

    Отговор

    Mismatched edge lengths, wrong corner counts, overlap, gaps, or an outer outline that cannot be formed.

76. Карта 76

    Въпрос

    What do contrast signals such as however or although tell a reader?

    Отговор

    The next idea differs from or qualifies the previous idea.

77. Карта 77

    Въпрос

    What is a variable?

    Отговор

    A symbol that represents an unknown or changeable value.

78. Карта 78

    Въпрос

    What is an atom?

    Отговор

    The smallest unit of an element that retains that element's chemical identity.

79. Карта 79

    Въпрос

    What is a fulcrum?

    Отговор

    The pivot point of a lever.

80. Карта 80

    Въпрос

    What does impartial mean?

    Отговор

    Fair and not favoring one side.

81. Карта 81

    Въпрос

    What is a coefficient?

    Отговор

    A number that multiplies a variable.

82. Карта 82

    Въпрос

    What is an element?

    Отговор

    A pure substance made of atoms with the same number of protons.

83. Карта 83

    Въпрос

    What is electrical resistance?

    Отговор

    Opposition to electric current.

84. Карта 84

    Въпрос

    What does the suffix -ology mean?

    Отговор

    The study of, as in geology.

85. Карта 85

    Въпрос

    What is the distributive property?

    Отговор

    Multiply the outside factor by every term inside: $a(b+c)=ab+ac$.

86. Карта 86

    Въпрос

    What is a compound?

    Отговор

    A substance made of two or more elements chemically bonded in fixed proportions.

87. Карта 87

    Въпрос

    What does a spark plug do in a gasoline engine?

    Отговор

    Creates the spark that ignites the compressed air-fuel mixture.

88. Карта 88

    Въпрос

    What do cause-and-effect signals help a reader identify?

    Отговор

    Why something happened and what resulted from it.

89. Карта 89

    Въпрос

    When can algebraic terms be combined?

    Отговор

    When they are like terms with the same variable parts and exponents.

90. Карта 90

    Въпрос

    What defines a physical change?

    Отговор

    The material changes form or state without becoming a different substance.

91. Карта 91

    Въпрос

    What is the main advantage of a socket wrench?

    Отговор

    Its socket surrounds the fastener head, giving secure contact and efficient repeated turning.

92. Карта 92

    Въпрос

    What does feasible mean?

    Отговор

    Possible and practical to do.

93. Карта 93

    Въпрос

    For a positive whole-number exponent, what does the exponent tell you?

    Отговор

    How many times the base is used as a factor.

94. Карта 94

    Въпрос

    What defines a chemical change?

    Отговор

    One or more substances become new substances with different chemical compositions.

95. Карта 95

    Въпрос

    Where is the fulcrum in a first-class lever?

    Отговор

    Between the effort and the load.

96. Карта 96

    Въпрос

    What does the prefix inter- mean?

    Отговор

    Between or among, as in interstate.

97. Карта 97

    Въпрос

    What is the product-of-powers rule for the same base?

    Отговор

    Add the exponents: $a^m a^n=a^{m+n}$.

98. Карта 98

    Въпрос

    What does conservation of mass mean in an ordinary chemical reaction?

    Отговор

    Atoms are rearranged, but total mass stays constant in a closed system.

99. Карта 99

    Въпрос

    What is the SI unit of electrical resistance?

    Отговор

    The ohm.

100. Карта 100

     Въпрос

     What is a pronoun's referent?

     Отговор

     The noun or noun phrase that the pronoun stands for.

101. Карта 101

     Въпрос

     What does a negative exponent mean?

     Отговор

     For nonzero $a$, $a^{-n}=1/a^n$.

102. Карта 102

     Въпрос

     What is density?

     Отговор

     Mass per unit volume: $\rho=m/V$.

103. Карта 103

     Въпрос

     What does a fuel injector do?

     Отговор

     Meters and sprays fuel into the engine's air path or combustion chamber.

104. Карта 104

     Въпрос

     What does ambiguous mean?

     Отговор

     Open to more than one interpretation; unclear.

105. Карта 105

     Въпрос

     What is a square root of a number?

     Отговор

     A value that produces the number when multiplied by itself.

106. Карта 106

     Въпрос

     What relationship does Newton's second law express?

     Отговор

     Net force equals mass times acceleration: $F=ma$.

107. Карта 107

     Въпрос

     What is an adjustable wrench used for?

     Отговор

     Turning different sizes of nuts or bolt heads with one movable jaw.

108. Карта 108

     Въпрос

     What does the root cred mean?

     Отговор

     Believe or trust, as in credible.

109. Карта 109

     Въпрос

     What is the core rule for solving a linear equation?

     Отговор

     Use inverse operations while performing the same operation on both sides.

110. Карта 110

     Въпрос

     How does velocity differ from speed?

     Отговор

     Velocity includes direction; speed does not.

     

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     ASVAB Flashcards: Verbal, Math, Science & Technical Review

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111. Карта 111

     Въпрос

     Where is the load in a second-class lever?

     Отговор

     Between the fulcrum and the effort.

112. Карта 112

     Въпрос

     How does a fact differ from an opinion?

     Отговор

     A fact can be checked against evidence; an opinion expresses a judgment or belief.

113. Карта 113

     Въпрос

     What is the slope formula between two points?

     Отговор

     $m=(y_2-y_1)/(x_2-x_1)$, provided $x_2\ne x_1$.

114. Карта 114

     Въпрос

     What is energy?

     Отговор

     The capacity to do work or cause change.

115. Карта 115

     Въпрос

     What relationship does Ohm's law express?

     Отговор

     Voltage equals current times resistance: $V=IR$.

116. Карта 116

     Въпрос

     What does meticulous mean?

     Отговор

     Very careful about small details.

117. Карта 117

     Въпрос

     What does $y=mx+b$ show?

     Отговор

     A line with slope $m$ and vertical intercept $b$.

118. Карта 118

     Въпрос

     What is conduction?

     Отговор

     Heat transfer through direct particle contact, especially within or between solids.

119. Карта 119

     Въпрос

     What does a vehicle radiator do?

     Отговор

     Transfers heat from engine coolant to the surrounding air.

120. Карта 120

     Въпрос

     What does scarce mean?

     Отговор

     Limited in supply; hard to find.

121. Карта 121

     Въпрос

     When must an inequality sign reverse?

     Отговор

     When both sides are multiplied or divided by a negative number.

122. Карта 122

     Въпрос

     What is convection?

     Отговор

     Heat transfer by the bulk motion of a fluid such as air or water.

123. Карта 123

     Въпрос

     What are general-purpose pliers mainly used for?

     Отговор

     Gripping, holding, and bending objects.

124. Карта 124

     Въпрос

     What does a compare-and-contrast structure show?

     Отговор

     How two or more subjects are alike and different.

125. Карта 125

     Въпрос

     What is a solution to a system of two equations?

     Отговор

     A value pair that makes both equations true.

126. Карта 126

     Въпрос

     What is thermal radiation?

     Отговор

     Energy transfer by electromagnetic waves; it does not require matter.

127. Карта 127

     Въпрос

     Where is the effort in a third-class lever?

     Отговор

     Between the fulcrum and the load.

128. Карта 128

     Въпрос

     What does resilient mean?

     Отговор

     Able to recover or adapt after difficulty.

129. Карта 129

     Въпрос

     How do you factor out a greatest common factor?

     Отговор

     Divide every term by the common factor and place that factor outside parentheses.

130. Карта 130

     Въпрос

     What is Earth's crust?

     Отговор

     The planet's thin, solid outermost layer.

131. Карта 131

     Въпрос

     What is electrical power in a DC circuit?

     Отговор

     Voltage times current: $P=VI$.

132. Карта 132

     Въпрос

     What does versatile mean?

     Отговор

     Able to serve several purposes or adapt to different tasks.

133. Карта 133

     Въпрос

     What is the quadratic formula for $ax^2+bx+c=0$?

     Отговор

     $x=(-b\pm\sqrt{b^2-4ac})/(2a)$.

134. Карта 134

     Въпрос

     What is Earth's mantle?

     Отговор

     The thick layer of hot rock between the crust and core; it flows slowly over long times.

135. Карта 135

     Въпрос

     What does an engine thermostat regulate?

     Отговор

     Coolant flow based on temperature so the engine warms up and avoids overheating.

136. Карта 136

     Въпрос

     What do sequence signals such as first, next, and finally show?

     Отговор

     The order in which steps or events occur.

137. Карта 137

     Въпрос

     What is the perimeter of a rectangle?

     Отговор

     $P=2l+2w$.

138. Карта 138

     Въпрос

     What is Earth's core?

     Отговор

     The iron-rich central region, with a liquid outer core and solid inner core.

139. Карта 139

     Въпрос

     What is a ball-peen hammer mainly used for?

     Отговор

     Shaping metal and striking punches or rivets.

140. Карта 140

     Въпрос

     What does sporadic mean?

     Отговор

     Occurring irregularly or only from time to time.

141. Карта 141

     Въпрос

     What is the area of a rectangle?

     Отговор

     $A=lw$.

142. Карта 142

     Въпрос

     What does the rock cycle describe?

     Отговор

     How igneous, sedimentary, and metamorphic rocks change from one type to another.

143. Карта 143

     Въпрос

     What does a fixed pulley change in the ideal case?

     Отговор

     The direction of the effort; its ideal mechanical advantage is 1.

144. Карта 144

     Въпрос

     What does frugal mean?

     Отговор

     Careful about spending or using resources.

145. Карта 145

     Въпрос

     What is the area of a triangle?

     Отговор

     $A=bh/2$.

146. Карта 146

     Въпрос

     How does weather differ from climate?

     Отговор

     Weather is short-term atmospheric conditions; climate is the long-term pattern for a region.

147. Карта 147

     Въпрос

     What is an electrical conductor?

     Отговор

     A material that allows electric charge to move relatively easily.

148. Карта 148

     Въпрос

     What is tone in a passage?

     Отговор

     The author's attitude toward the subject or audience.

149. Карта 149

     Въпрос

     What is the circumference of a circle?

     Отговор

     $C=2\pi r$ or $C=\pi d$.

150. Карта 150

     Въпрос

     What is evaporation in the water cycle?

     Отговор

     Liquid water changing into water vapor.

151. Карта 151

     Въпрос

     What does an alternator do while a vehicle's engine runs?

     Отговор

     Supplies electrical power and recharges the battery.

152. Карта 152

     Въпрос

     What does novice mean?

     Отговор

     A beginner.

153. Карта 153

     Въпрос

     What is the area of a circle?

     Отговор

     $A=\pi r^2$.

154. Карта 154

     Въпрос

     What is condensation in the water cycle?

     Отговор

     Water vapor cooling into liquid droplets.

155. Карта 155

     Въпрос

     What is a hacksaw mainly used to cut?

     Отговор

     Metal and some plastics, using a fine-toothed blade.

156. Карта 156

     Въпрос

     What does the prefix trans- mean?

     Отговор

     Across, through, or beyond, as in transport.

157. Карта 157

     Въпрос

     What relationship does the Pythagorean theorem give for a right triangle?

     Отговор

     $a^2+b^2=c^2$, where $c$ is the hypotenuse.

158. Карта 158

     Въпрос

     What is precipitation?

     Отговор

     Water falling from clouds as rain, snow, sleet, or hail.

159. Карта 159

     Въпрос

     What is the ideal mechanical advantage of one movable pulley supported by two rope segments?

     Отговор

     2; the load is shared by two supporting rope segments.

160. Карта 160

     Въпрос

     What is a summary?

     Отговор

     A brief statement of the main idea and the most important supporting points.

161. Карта 161

     Въпрос

     What is the sum of a triangle's interior angles?

     Отговор

     $180^\circ$.

162. Карта 162

     Въпрос

     What does plate tectonics explain?

     Отговор

     The movement of Earth's lithospheric plates and many earthquakes, volcanoes, and mountain ranges.

163. Карта 163

     Въпрос

     What is an electrical insulator?

     Отговор

     A material that strongly resists the movement of electric charge.

164. Карта 164

     Въпрос

     What does verify mean?

     Отговор

     Confirm that something is true or accurate.

165. Карта 165

     Въпрос

     What are complementary angles?

     Отговор

     Two angles whose measures add to $90^\circ$.

166. Карта 166

     Въпрос

     What primarily causes Earth's seasons?

     Отговор

     Earth's axial tilt as it orbits the Sun.

167. Карта 167

     Въпрос

     What is a vehicle battery's main starting role?

     Отговор

     Provides electrical energy to the starter motor and ignition or control systems.

168. Карта 168

     Въпрос

     What does plausible mean?

     Отговор

     Reasonable or believable.

169. Карта 169

     Въпрос

     What are supplementary angles?

     Отговор

     Two angles whose measures add to $180^\circ$.

170. Карта 170

     Въпрос

     What causes the Moon's phases?

     Отговор

     Our view of the Moon's sunlit half changes as the Moon orbits Earth.

171. Карта 171

     Въпрос

     What does a hand file do?

     Отговор

     Removes small amounts of material to shape, deburr, or smooth a surface.

172. Карта 172

     Въпрос

     What is a word's connotation?

     Отговор

     The feeling or association a word suggests beyond its literal meaning.

173. Карта 173

     Въпрос

     What is the area of a parallelogram?

     Отговор

     $A=bh$, using the perpendicular height.

174. Карта 174

     Въпрос

     What keeps planets in orbit around the Sun?

     Отговор

     Gravity supplies the inward force that bends their motion into an orbit.

175. Карта 175

     Въпрос

     How do the speeds of two meshed gears compare?

     Отговор

     The smaller gear turns faster; speed is inversely related to tooth count.

176. Карта 176

     Въпрос

     What does prudent mean?

     Отговор

     Careful and sensible about future consequences.

177. Карта 177

     Въпрос

     What is the area of a trapezoid?

     Отговор

     $A=(b_1+b_2)h/2$.

178. Карта 178

     Въпрос

     How does current behave in a simple series circuit?

     Отговор

     The same current passes through every component.

179. Карта 179

     Въпрос

     What does the prefix mis- mean?

     Отговор

     Wrongly or badly, as in misjudge.

180. Карта 180

     Въпрос

     What is the volume of a rectangular prism?

     Отговор

     $V=lwh$.

181. Карта 181

     Въпрос

     What does a vehicle transmission do?

     Отговор

     Changes the speed-and-torque relationship between the engine and the drive wheels.

182. Карта 182

     Въпрос

     What is a paraphrase?

     Отговор

     A restatement of the same idea in different words without changing its meaning.

183. Карта 183

     Въпрос

     What is the volume of a cylinder?

     Отговор

     $V=\pi r^2h$.

184. Карта 184

     Въпрос

     What does a drill bit do?

     Отговор

     Cuts a hole as it rotates; the bit type must match the material.

185. Карта 185

     Въпрос

     What does tangible mean?

     Отговор

     Able to be touched; more broadly, real and definite.

186. Карта 186

     Въпрос

     What is the surface area of a rectangular prism?

     Отговор

     $SA=2lw+2lh+2wh$.

187. Карта 187

     Въпрос

     Which directions do two directly meshed external gears rotate?

     Отговор

     Opposite directions.

188. Карта 188

     Въпрос

     What does candid mean?

     Отговор

     Honest and direct.

189. Карта 189

     Въпрос

     How do corresponding lengths compare in similar figures?

     Отговор

     They share one scale factor; corresponding angles stay equal.

190. Карта 190

     Въпрос

     How does voltage behave across branches of an ideal parallel circuit?

     Отговор

     Each branch has the same voltage as the source.

191. Карта 191

     Въпрос

     What equation links distance, rate, and time?

     Отговор

     $d=rt$.

192. Карта 192

     Въпрос

     What does a differential let driven wheels do?

     Отговор

     Rotate at different speeds while still receiving torque.

193. Карта 193

     Въпрос

     What is the simple-interest formula?

     Отговор

     $I=Prt$, where $P$ is principal, $r$ is the decimal annual rate, and $t$ is time in years.

194. Карта 194

     Въпрос

     What does a bench vise do?

     Отговор

     Holds a workpiece firmly while it is cut, filed, drilled, or assembled.

195. Карта 195

     Въпрос

     How do you find a unit rate?

     Отговор

     Divide to express the quantity per one unit.

196. Карта 196

     Въпрос

     How does an inclined plane trade force for distance?

     Отговор

     It reduces the required input force by increasing the distance over which the force acts.

197. Карта 197

     Въпрос

     How do you calculate signed percent change?

     Отговор

     $\text{percent change}=(\text{new}-\text{original})/\text{original}\times100\%$, when the original is nonzero. A positive result is an increase; a negative result is a decrease.

198. Карта 198

     Въпрос

     What is an open circuit?

     Отговор

     A broken or incomplete path in which current cannot flow through the intended loop.

199. Карта 199

     Въпрос

     What two equations set up a two-part mixture problem?

     Отговор

     Use both $a_1+a_2=A$ and $c_1a_1+c_2a_2=c_tA$. The $a$ values are amounts in compatible units, and the $c$ values are decimal concentrations.

200. Карта 200

     Въпрос

     How does a disc brake slow a wheel?

     Отговор

     A caliper presses pads against a rotating disc, creating friction.

201. Карта 201

     Въпрос

     How do combined work rates relate?

     Отговор

     Add the individual rates: $1/T=1/t_1+1/t_2$ for two workers acting together.

202. Карта 202

     Въпрос

     What is pressure?

     Отговор

     Force per unit area: $p=F/A$.

203. Карта 203

     Въпрос

     For equally likely outcomes, how is probability found?

     Отговор

     Favorable outcomes divided by total possible outcomes.

204. Карта 204

     Въпрос

     What is a closed circuit?

     Отговор

     A complete conducting path that allows current to flow.

205. Карта 205

     Въпрос

     How does a scale drawing connect drawing length to actual length?

     Отговор

     Corresponding lengths form an equal ratio using one consistent scale factor.

206. Карта 206

     Въпрос

     What are the main jobs of tire tread?

     Отговор

     Provide grip and channel water away from the tire's contact area.

207. Карта 207

     Въпрос

     How can two consecutive integers be represented algebraically?

     Отговор

     $n$ and $n+1$.

208. Карта 208

     Въпрос

     What does Pascal's principle say?

     Отговор

     A change in pressure applied to a confined fluid is transmitted undiminished throughout the fluid and to the container walls.

209. Карта 209

     Въпрос

     Why must you reverse the order in a phrase such as “5 less than $x$”?

     Отговор

     “5 less than $x$” means $x-5$, because the amount is subtracted from $x$.

210. Карта 210

     Въпрос

     What is a short circuit?

     Отговор

     An unintended low-resistance path that can produce dangerously high current.

211. Карта 211

     Въпрос

     What does engine oil do?

     Отговор

     Lubricates moving parts, reduces friction and wear, and helps carry heat and contaminants away.

212. Карта 212

     Въпрос

     What does a capacitor store?

     Отговор

     Electric charge and energy in an electric field.

213. Карта 213

     Въпрос

     What is the buoyant force on an immersed object equal to?

     Отговор

     The weight of the fluid the object displaces.

214. Карта 214

     Въпрос

     What does a fuse do?

     Отговор

     Melts and opens the circuit when current exceeds its rated limit.

215. Карта 215

     Въпрос

     What does friction do?

     Отговор

     Opposes relative motion or the tendency of motion between contacting surfaces.

216. Карта 216

     Въпрос

     What does a resistor do in a circuit?

     Отговор

     Limits current or creates a controlled voltage drop.

217. Карта 217

     Въпрос

     How does a lower center of gravity usually affect stability?

     Отговор

     It makes an object less likely to tip.

218. Карта 218

     Въпрос

     What does a circuit breaker do?

     Отговор

     Opens a circuit when current is excessive and can usually be reset after the fault is cleared.

219. Карта 219

     Въпрос

     What is torque?

     Отговор

     The turning effect of a force: force times perpendicular lever arm.

220. Карта 220

     Въпрос

     What does a diode do?

     Отговор

     Allows current mainly in one direction while blocking it in the reverse direction.

220 карти

ASVAB Flashcards: Verbal, Math, Science & Technical Review

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