Practice Quiz

ASVAB Science and Tech Practice Questions - Question List

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41. Which of the following is an example of an open fluid system?
  1. an irrigation system for a farm
  2. a forced hot water heater for a house
  3. a hydraulic braking system for a truck
  4. a cooling system for an automobile engine
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42. During a hurricane, winds can blow out windows and walls, or remove the roof from a house. According to Bernoulli’s principle, which of the following statements best explains why this can occur?
  1. Wind blowing around and over a house creates convection currents outside the house.
  2. Wind blowing around and over a house is at a lower pressure than the air inside the house.
  3. Wind blowing around and over a house is at a higher temperature than the air inside the house.
  4. Wind blowing around and over a house creates electrostatic charges in the air around the house.
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43. Which of the following describes the primary function of an alkaline battery in the circuit of a typical flashlight?
  1. It opens and closes the circuit path.
  2. It provides resistance to generate light.
  3. It converts chemical energy to electrical energy for the circuit.
  4. It serves as a conductor through which electrical energy flows.
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44. The floor of a particular motel room should be able to support 50 lb. per sq. ft. of live load. If the dimensions of the room are 12 ft. * 15 ft., what is the total live load that the floor should support?
  1. 600 lb.
  2. 750 lb.
  3. 1350 lb.
  4. 9000 lb.
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45. Which of the following are represented using binary values?
  1. analog signals
  2. digital signals
  3. gamma rays
  4. ultraviolet rays
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