Practice Quiz

ASVAB Science and Tech Practice Questions - Question List

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56. Which of the following devices uses a renewable resource to produce heat?
  1. a fuel oil heater
  2. a propane gas burner
  3. a wood-burning stove
  4. a coal-burning furnace
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57. An engineer suggests using a robotic system to manufacture a particular chemical. Although the chemical will be highly profitable, it will only be made in small amounts.Which of the following is most likely the engineer’s reason for making the suggestion?
  1. The robotic system can reduce the cost of materials.
  2. The robotic system can increase the cost of production.
  3. The robotic system can increase the selling price of the chemical.
  4. The robotic system can reduce workers’ exposure to potentially harmful chemicals.
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58. Which of the following processes relieves internal stress caused by hardening in a metal tool?
  1. compressing
  2. extruding
  3. shearing
  4. tempering
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59. Silicon carbide (SiC), a ceramic, is used in drill bits. Which of the following is the most likely reason that silicon carbide is suitable for this purpose?
  1. It is soft and porous.
  2. It is ductile and magnetic.
  3. It is hard and resists abrasion.
  4. It is brittle and has a low density.
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60. Wires X and Y are made of the same material. Which of the following could explain why wire X has a higher resistance than wire Y?
  1. Wire X is colder than wire Y.
  2. Wire X is shorter than wire Y.
  3. Wire X has a different color coating than wire Y.
  4. Wire X has a smaller cross-sectional area than wire Y
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