Practice Quiz

ASVAB Science and Tech Practice Questions - Question List

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11. An engineer has just finished building a prototype of a lawn tractor that is powered by a hydrogen fuel cell. Which of the following should be the next step in the design process?
  1. testing the prototype to evaluate its performance
  2. asking for funding to build more copies of the prototype
  3. building a second prototype that is different from the first
  4. making modifications to the prototype that will increase its performance
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12. Which of the following acts primarily as a storage device in a communication system?
  1. antenna
  2. microphone
  3. computer display
  4. computer hard drive
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13. Which of the following environmental conditions do architects most likelyconsider when they decide on the placement of windows in new houses in the northeastern United States?
  1. maximum wind speeds
  2. average summer temperatures
  3. solar angle throughout the year
  4. amount of precipitation each year
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14. Building codes for single-family homes regulate the heights of chimneys.Which of the following is the most likely reason for this regulation?
  1. to make sure the best materials are used to build chimneys
  2. to make sure chimneys can hold the maximum amount of heat
  3. to make sure chimneys are strong enough to help support the house
  4. to make sure dangerous gases are properly ventilated through chimneys
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15. A worker is using an arc welder to join two pieces of metal. Which of the following safety precautions is mostimportant for the worker to prevent infrared radiation exposure when welding?
  1. Wear a helmet with a dark face plate.
  2. Make sure to discharge any static electricity.
  3. Have the operational manual nearby for reference.
  4. Make sure the electrode material is similar to the joining metals.
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