Practice Quiz

ASVAB Science and Tech Practice Questions - Question List

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76. Designers need to use a wind tunnel to test the airflow over a new design for an airplane wing. Since the wind tunnel is not large enough to hold the actual airplane wing, the designers will need to use which of the following?
  1. a mockup
  2. a propeller
  3. a scale model
  4. an orthographic projection
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77. A circuit has a source with an electrical potential of 12 V. The circuit contains one resistor.If a second resistor is added to the circuit in series, what effect will this have on the current in the circuit?
  1. The current will increase.
  2. The current will decrease.
  3. The current will not be affected.
  4. The current will switch from DC to AC.
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78. In which of the following fluid systems does the fluid remain within the system?
  1. compressed air in a gas station
  2. steam engine on a railroad train
  3. forced hot water heating in a home
  4. forced hot air heating in a car repair shop
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79. Digital information is transmitted over fiberoptic cable as pulses of which of the following?
  1. electricity
  2. light
  3. microwaves
  4. sound
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80. A structural component for a bridge needs to be especially strong in tension. Which of the following materials would be mostsuitable for this component?
  1. concrete
  2. copper
  3. steel
  4. wood
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