更多"Before 'stand-by' is rung on the en"的相关试题:
[单项选择]Before starting a diesel engine that has an engine driven lube oil pump, the engineer should （）.
A. open the bypass line
B. cut in the lube oil cooler
C. pressurize the lube oil system
D. top off the expansion tank
[单项选择]My ship’s engine responds well to telegraph orders and takes about 80 seconds to reverse from full speed ahead to full speed astern.This sentence（）.
A. indicates the engine's particulars
B. tells the engine's function
C. shows the engine's type
D. refers to the engine's information
[单项选择]Before starting an engine by air, the engine must（）
A. be turned by a turning gear for at least one minute
B. be turned by a turning gear for at least two minutes
C. be turned at least one complete turn
D. be turned at least two complete turns
[单项选择]About half an hour before the engine is required, cooling water at （） must be circulated.
A. more than the working temperature
B. less than the working temperature
C. the working temperature
D. the same as the surrounding temperature
[单项选择]Before starting the engine the air bottle should be （）.
A. pumped up
B. loaded
C. discharged
D. opened
[单项选择]Before starting a diesel engine, you should always（）
A. check the pyrometer readings
B. check the crankcase oil level
C. check the fuel oil strainers
D. clean the fuel system
[单项选择]Before a marine diesel engine is started the cylinders and pistons must be （）.
A. cooled to appropriate temperature
B. warmed up gradually to appropriate temperature
C. opened up and renewed
D. ground and polished
[单项选择]Before hydraulic starting of an engine on a covered lifeboat，what need NOT be checked?（）
A. Fuel supply line valve
B. Pressure registered on the accumulator gauge
C. Cold-spark voltage readings test lamp
D. Engine stop control
[单项选择]Before starting a gasoline engine on a motorboat，you should make sure for safety that（）.
A. the gasoline tank is full
B. the bilges，cabins，etc. are thoroughly ventilated
C. you have fresh water on board
D. Each of the above is followed
[单项选择]Before starting any diesel or gasoline engine，which of the following must be checked? （）
A. Oil level
B. Flow of cooling water
C. Exhaust discharge
D. All of the above
[单项选择]The bridge should inform the engine room before passing through congested or shallow waterway（）
A. 24 hours
B. 2 hours
C. 1 hours
D. 15 minutes
[单项选择]The minimum speed an engine must attain before ignition can occur depends upon （）.
A. the type and size of the engine
B. the condition of the engine
C. ambient temperature
D. all of the above
[单项选择]（）get your engine ready before six tomorrow morning.
A. You’d better
B. You would better
C. You at least
D. You at most
[单项选择]The diesel engine must be started before it can run by it self For this purpose （） has to be used.
A. a starting system
B. the starting air
C. a starting operation
D. A, B and C
[单项选择]A change in engine speed is required before a governor is able to make a corrective movement of fuel rackThis aspect of governing is commonly expressed as a percent and is known as （）
A. governor sensitivity
B. governor promptness
C. speed droop
D. isochronous governing
[单项选择]
In a diesel engine, exhaust valves open before the intake ports are uncovered to （）
Ⅰ.reduce pumping losses
Ⅱ.reduce back pressure
A. Ⅰonly
B. Ⅱonly
C. bothⅠand Ⅱ
D. neitherⅠnor Ⅱ
[单项选择]Before you start an engine in a compartment，it’s MOST important to（）.
A. check the flame arrester
B. check the fuel tank
C. check the battery
D. ventilate the bilges
[单项选择]Before being shut down, a diesel engine should idle a few minutes in orderto （）
A. prevent governor surging at shutdown
B. make sure the fuel nozzles are flushed clean
C. prevent pressure buildup in the fuel lines
D. prevent damage from localized overheating
