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OEM2-EN-circuite elctronice(A)

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About this collection

The ANR bank contains many sets with original names and codes, including navigation, safety and equipment topics. Select a module by name or use question search.

“ANR — OEM2-EN-circuite elctronice(A)” contains 77 questions across 1 collection.

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Sample questions and answers

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The multiple prefix 'kilo' means :

One correct answer

  • thousand (10 to the 3rd power)✓ Correct answer
  • million (10 to the 6th power)
  • billion (10 to the 9th power)
  • trillion (10 to the 12 power)
Most conducting materials such as copper, aluminum, iron, nickel, and tungsten :

One correct answer

  • increase in resistance with increased temperature✓ Correct answer
  • increase in resistance with decreased temperature
  • decrease in resistance with increased temperature
  • increase in conductance with increased temperature
Copper is often used as an electrical conductor because it :

One correct answer

  • has high resistance at low temperatures
  • has a highly polished surface
  • is able to pass current with little opposition✓ Correct answer
  • holds insulation together well
The device that most commonly utilizes the principle of electromagnetic induction is the :

One correct answer

  • diode
  • transformer✓ Correct answer
  • transistor
  • rheostat
The insulation resistance of electric equipment and machinery should be tested for the lowest normal insulation values :

One correct answer

  • immediately after shutting down the machine✓ Correct answer
  • every time the brush rigging is adjusted
  • immediately after starting up the machine
  • every 30 days whether the machine is in use or not

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