ASVAB ASVAB-SECTION-5 Online Practice Questions and Exam Preparation

ASVAB ASVAB-SECTION-5 Online Questions & Answers

• Question 21:

  Two electrical wires run to a machine. One wire is 6mm thick, and the other is 3mm thick. For the two wires to carry the same current, the larger wire __________.

  A. requires less voltage
  B. requires more voltage
  C. requires the same voltage
  D. It can't be determined from the information given.
  A. requires less voltage

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  Explanation

  Larger wires require less electrical pressure to run current.

• Question 22:

  16-gauge wire is _____________ than 12-gauge wire.

  A. less flexible
  B. more flexible
  C. thinner
  D. thicker
  C. thinner

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  Explanation

  16-gauge wire is thinner than 12-gauge wire ?the larger the gauge number, the thinner the wire.

• Question 23:

  Which of the following materials usually has an electromagnetic-induction device in its core?

  A. brass
  B. silver
  C. aluminum
  D. iron
  D. iron

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  Explanation

  Iron is easily magnetized and demagnetized, so it works well for this device.

• Question 24:

  The largest subatomic particle with a positive charge is called the ___________.

  A. neutron
  B. positron
  C. electron
  D. proton
  D. proton

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  Explanation

• Question 25:

  ___________ is the name given to the orbit an electron resides in around an atom.

  A. circulation
  B. shell
  C. field
  D. level
  B. shell

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  Explanation

• Question 26:

  Given a series circuit, a break at any point in the circuit would cause ___________.

  A. the current to double in power
  B. the current to jump the break and continue flowing
  C. the current to stop flowing
  D. the current to go in reverse
  C. the current to stop flowing

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  Explanation

• Question 27:

  

  The symbol in this image represents a ___________ in an electrical circuit.

  A. relay
  B. switch
  C. fuse
  D. battery
  D. battery

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  Explanation

• Question 28:

  Which of the following is NOT needed to produce electrical power from fossil fuels?

  A. a dam
  B. steam
  C. heat
  D. a turbine
  A. a dam

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  Explanation

  Dams are used to produce power from water.

• Question 29:

  In residential wiring, the internal grounds will be connected to an external ground, also known as ___________.

  A. extra ground
  B. Earth ground
  C. safe ground
  D. dirt ground
  B. Earth ground

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  Explanation

• Question 30:

  The two most commonly used metals in solder are __________.

  A. tin and gold
  B. tin and lead
  C. gold and nickel
  D. gold and lead
  B. tin and lead

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  Explanation

  Typical solders are almost equal parts tin and lead.