更多"Before starting the engine the air "的相关试题:
[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]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 starting an air compressor, It should be （）.
A. turned
B. oil level checked
C. filled with water
D. A and B
[单项选择]The starting air bottle should be pumped up to maximum pressure by the （） before start of the engine.
A. air compressor
B. refrigeration compressor
C. vacuum pump
D. purifier
[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]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]Open the （）before starting an air compressor.
A. unload valve
B. cooling water
C. oil cup
D. sump
[单项选择]Supply the （）before starting an air compressor.
A. fuel oil
B. cooling water
C. steam
D. power
[单项选择]Open the （）of inter cooler before starting an air compressor.
A. cylinder cover
B. cooling water
C. oil cup
D. drain valve
[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]Before starting to hoist provisions，which should be checked?（）
A. Hoist rope is not kinked
B. Multiple part lines are not twisted around each other
C. The hook is centrally located over the load
D. All of the above
[单项选择]Before starting the turning gear, （） should be worked by hand to minimize corrosive action on the liners.
A. the indicators
B. the starting valves
C. the cylinder lubricators
D. the turning gear
[单项选择]Routine monitoring of a diesel engine should include （）.
A. checking for leaks
B. checking temperatures and pressures
C. listening for abnormal noises
D. all of the above
[单项选择]An automated diesel engine should normally shut down due to （）
A. low lube oil temperature
B. high ambient air temperature
C. low tube oil pressure
D. high exhaust system back pressure
[单项选择]The loss of the diesel engine cylinder air charge through leaky valves, piston rings, worn or scored liners, would be indicated by which of the following sets of conditions?（）
A. Low compression pressure and high exhaust temperature
B. Low firing pressure and high exhaust temperature
C. Low compression pressure and low exhaust temperature
D. Low firing pressure and low exhaust temperature
[单项选择]The oil index of main engine should be controlled to prevent it from in heavy weather（）
A. over heat
B. over speed
C. over pressure
D. over worn
[单项选择]Why the cooling water of the diesel engine should be treated? Because the（）
A. Cooling water is alkalescence
B. cooling water is acidity
C. cooling water has salinity
D. cooling water has impurity
