轮机英语8套(1)

1.The officer in charge of the engineerig watch shall ensure that at all times bridge orders relating to changes in ___ of operation are immediately implemented.

A. fore and aft

B. ahead or astern

C. speed or direction

D. up or down

2.Small oil spills on deck can be prevented from contaminating any waters by____.

A.plugging all scuppers and drains

B.thoroughly draining all bunkering hoses

C.regularly emptying all drip pans

D.placing floating booms around the ship

3.The main purpose of warming up the main engine is____.

A. to reduce heat stress

B. to reduce low temperture corrosion

C. to improve firing and starting performance

D. for fuel saving

4.In order to reduce the chance of detentions ships should routinely verify the following except for____.

A.fan damper operation is smooth and operates through the full range of open to close.

B.fan damper locking pins are free to be removed without significant effort.

C.fan damper operating handles are free to move without significant effort.

D.fan damper are properly coated with white paint.

5.The purpose of the____in a vapour compression cycle is to accept the hot, high-pressure gas from the compressor and cool it to remove first the superheat and then the latent heat.

A.expansion valve

B.conderser

pressor

D.evaporator

6.The energy consumed by an AC motor, as strictly reacitive power, is____.

ed to do mechanical work

B.lost in doing work to turn the motor itself

ed to establish the magnetic fiedl of the motor

D.lost as heat generated by the windings.

7.A diesle engine will lose power if fuel injection occurs too early because the ________.

A.fuel will not be properly atomized in the cylinder

B.maximum fuel expansion will occur on the compression stroke

C.ignition will be delayed due to low ignition temperature

D.fuel will ignite before top dead center

8.The designed___ is 20 tons per day, but the fresh water generator can only distill 15 tons at present.

A.power

B.capacity

C.displacement

D.weight

9.The depth of the ship below the waterline mesured vertically to the lowest part of the hull is called____.

A.tonnage

B.trim

C.draft

D.lean

10.The hydraulic system of a deck winch has been drained, flushed, and refilled with

1 / 12

hydraulic fluid. An erratic knocking noise from the haydraulic motor when the winch is started would indicate___ .

A.clogged suction line fluid filters

B.air trapped in the system

C.the fluid level in the reservoir is too high

D.abrasive matter circulating in the oil

11.As a duty engineer, as soon as you hear the fire emergency signal, you should ensure that the ___.

A.ring buoys are thrown overboard

B.fire pumps are started

C.engines are stopped

D.life preservers have been issured to everyone

12.Which of the following problems could develop due to the accumulation of oil vapors in the crankcase of a diesel engine?

A.Reduced lubrication

B.Poor fuel economy

bustion knock

D.Crankcase explosion

13.All details of fuel bunkering, ballast handling, tank cleaning or slop disposal must be entered in the ___.

A.ballast log

B.muster log

C.engine room log

D.oil record book

14.The cetane rating of diesel fuel is an indication of the ____.

A.rate of fuel consumption

B.ignition quality of the fuel

C.calorific value of the fuel

sh point of the fuel

15.In the voyage, when carring out abandon ship drill,___ should be tested every time.

A.M.E.emergency operation

B.main/auxiliary steering gear changing

C.air/oil emergency shut-down

D.the emergency lighting system for muster and abandon ship

16.The Master should call___ for permission to use chemical agents in respoinse to oil pollution into the sea.

A. the port state

B. the coastal state

C. the flag state

D. the shipping company

17.___ assists to emulsify oil and water into an even emulsion mixture for a fine atomizing of an incinerator

A.An intermittent vibration

B.An intermittent agitation

C.A continuous agitation

D.A continuous vibration

bustion knock will most likely occur as a result of using a fuel with ____.

A. a high cetane number

B. low igition quality

C. low ignition delay

D. a hgih volatility

19.Which of the following is operated from the main engine room console on an automated vessel?

2 / 12