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大管轮英语评估试题(2)

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大管轮英语评估试题(2),是针对大管轮轮机英语的模拟试题库。

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1
_______control system is one in which the control action is independent of the output.
  • A.Feed back
  • B.Negative feed back
  • C.Close loop
  • D.Open loop
2
The_______is a crystal which, under pressure, produces an electric current which varies with the pressure
  • A.alternator
  • B.glass thermometer
  • C.bourdon tube
  • D.piezoelectric pressure transducer
3
Modern handheld digital tachometers operated by counting light pulses returned to the unit by
  • A.the tach generator
  • B.either the coupling or shaft
  • C.a small bulb attached to the shaft
  • D.a piece of reflective tape
4
UMS stands for
  • A.ultra much space
  • B.universal medium system
  • C.unit machined space
  • D.unattended machinery space
5
"Stand by an engine" means
  • A."prepare to stop the engine"
  • B."assemble an engine on its bedplate"
  • C."make an engine ready for starting"
  • D."dismantle an engine"
6
At the beginning of the watch the current operational parameters and the condition of all machinery should be verified and also the log readings should correspond with those
  • A.noted by the bridge officer
  • B.told by last duty engineer
  • C.observed
  • D.in the instruction manual
7
After the order '_______' is given, the air system is shut down, the turning gear put in.
  • A.Finished With Engine
  • B.Stop the Engine
  • C.Stand-by Engine
  • D.Slow-down Engine
8
Personnel who are moving or handling material aboard ship should NOT follow which of the listed practices?
  • A.Signaling that all personnel are clear before lifting or lowering material
  • B.Examining material for sharp edges or protruding points before handling
  • C.Closing, tagging or securing valves that permit entrance of steam, water, or air into a fitting or other equipment
  • D.Throwing materials from high places to the deck
9
The class of fire on which a blanketing effect is essential to extinguish the fire is
  • A.Class 'A'
  • B.Class 'B'
  • C.Class 'C'
  • D.Class 'D'
10
Fire dampers prevent the fire spreading through the process of
  • A.convection
  • B.conduction
  • C.radiation
  • D.direct contact
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