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EN-MIEA / SMM, OM1 / 6

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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 — 12_MIAE — EN-MIEA / SMM, OM1 / 6” contains 32 questions across 1 collection.

Learning

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Sample questions and answers

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If the illustrated EL-0027 test is being performed to determine which winding is grounded and the light does not come on then

One correct answer

Question illustration
  • winding is grounded and you should continue on to the next winding to see if any others are grounded
  • winding is not grounded and you should continue on to the next winding until the light comes on designating that winding as grounded✓ Correct answer
  • test is meaningless because you can not determine if a winding is grounded without a megger.
  • ground is not in the windings but probabily in the pecker head, you should check and retape the line lead connections
The rated temperature rise of an electric motor is the

One correct answer

  • average temperature at any given latitude
  • normal temperature rise above the standard ambient temperature at rated load✓ Correct answer
  • average temperature rise due to resistance at 10% overload
  • permissible difference in the ambient temperature of the motor due to existing weather conditions
In an emergency, the fastest way to interrupt power and stop the winch shown in the illustration is for the

One correct answer

Question illustration
  • mate to open the disconnect switch at 'L1' and 'L2'
  • winch operator to open the 'safe switch' at the 'master switch'✓ Correct answer
  • engine room watch engineer to open the winch circuit breaker
  • electrician to open the test link at the controller
A circuit is protected from overheating by a/an

One correct answer

  • pyrometer
  • thermal overload relay✓ Correct answer
  • magnetic contactor
  • overload transformer
In a three-phase, squirrel-cage type, induction motor the rotating magnetic field is established by the

One correct answer

  • current induced in the rotor windings
  • application of a three-phase voltage supply to the stator windings✓ Correct answer
  • laminated steel core and aluminum conductors in the rotor
  • interaction of the magnetic field caused by the induced current in the squirrel-cage bars with the magnetic field of the stator

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