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OEM2-EN-Masuratori(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 — Electrotehnica-SEM_OEM2 — OEM2-EN-Masuratori(A)” contains 11 questions across 1 collection.

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Sample questions and answers

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A dual-trace oscilloscope:

One correct answer

  • has one set of controls to control two different traces.
  • has two sets of controls to control one trace.
  • can only be operated with two different signals applied to it.
  • has two sets of controls to control two different traces.✓ Correct answer
A DC power supply has a rated output of 3 W at 9 V. The maximum current rating of this power supply would be approximately:

One correct answer

  • 1.8 A.
  • 45 A.
  • 250 mA.
  • 333 mA.✓ Correct answer
A DC analog voltmeter can be used to measure an AC voltage if:

One correct answer

  • the incoming AC voltage is rectified.✓ Correct answer
  • the incoming AC voltage is amplified.
  • an additional multiplier resistor is connected to the circuit.
  • an additional shunt resistor is connected to the circuit.
Technician A says analog meters are more accurate than digital meters. Technician B says digital meters that use a light-emitting diode (LED) display have a longer battery life than those that use a liquid-crystal display (LCD). Who is correct?

One correct answer

  • Technician A only
  • Technician B only
  • both Technician A and Technician B
  • neither Technician A nor Technician B✓ Correct answer
Technician A says when connecting the test probe of a scope to a grounded circuit, the grounded conductor of the probe is connected to the grounded side of the circuit. Technician B says the scope should never be used to test a grounded circuit. Who is correct?

One correct answer

  • Technician A only✓ Correct answer
  • Technician B only
  • both Technician A and Technician B
  • neither Technician A nor Technician B

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