更多"0ur engine has a（）of 10000 horse-po"的相关试题:
[单项选择]When reentering an engine room that has been flooded with CO2, the investigating team should initially（）.
A. leave the access door partially open
B. enter from the lowest level
C. enter from the highest level
D. attempt to operate machinery
[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]Large crosshead type engine generally has two lubrication systems, a function performed only by cylinder oil system is（）
A. lubricating
B. cooling
C. sealing
D. cleaning
[单项选择]When an engine is starting and has got a sufficiently high speed, say about 20 rpm,（）
A. the starting air supply is cut off and fuel is injected into the cylinders
B. the fuel feeding is cut off and the turning gear is put in
C. the starting air supply is cut off and turning gear is taken out
D. the electric blower is shut down and fuel is injected into the cylinders
[单项选择]How should you warm up a diesel engine that has not been run for some time? （）
A. Run it at minimum speed for a period of time
B. Run it at half speed for a period of time
C. Bring it to top speed immediately
D. Inject ether into the air intake
[单项选择]If a cam-controlled engine has a normal injection pressure at rated speed,the injection pressure will be（）at slow speed.
A. a little lower
B. a little higher
C. too low
D. exactly the same
[单项选择]If a diesel engine has been stopped because of piston seizure due to severe overheating, the crankcase（）
A. inspection covers should not be opened until the engine has cooled
B. ventilation system should be continued in operation for one hour for cooling
C. scavenge pump should be immediately secured to prevent loss of lube oil
D. explosion covers should be opened slightly to provide extra ventilation
[单项选择]If a camshaft-less engine has a normal injection pressure at rated speed, the injection pressure will be at slow speed（）
A. too low
B. a little lower
C. a little higher
D. exactly the same
[单项选择]A common rail engine has only one or two high pressure pumps in operation at the same（）time, and the injection into each cylinder.
A. can’t be controlled very precisely
B. can’t be controlled as flexibly as the separate pump system
C. can be controlled as flexibly as the separate pump system
D. can be controlled more precisely and flexibly
[单项选择]The engine has one or two group of fuel pumps, depending upon （）.
A. the number of fuel valves
B. the number of cylinders
C. the speed of engine
D. the power of engine
[单项选择]Piston No2 of main engine has been removed, and it will be （） by noon tomorrow.
A. lifted
B. reassembled
C. dismounted
D. disassembled
[单项选择]As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?（）
A. Exhaust temperatures
B. Raw water pressure
C. Lube oil pressure
D. Air box pressure
[单项选择]The engine has broken and the boat is（）on the water.
A. flowing
B. floating
C. drifting
D. sailing
[单项选择]0ur jumbo boom can（）20 tons.
A. lift
B. rise
C. elevate
D. hoist
[单项选择]0ur ship（）with many modern navigational instruments.
A. equipped
B. is equipped
C. equips
D. has equipped
[单项选择]Your vessel has a midship engine room and the cargo is concentrated in the end holds.The vessel is（）.
A. sagging with tensile stress on main deck
B. sagging with compressive stress on main deck
C. hogging with tensile stress on main deck
D. hogging with compressive stress on main deck
[单项选择]Your vessel has a midships engine room and the cargo is concentrated in the end holds．The vessel is（）.
A. sagging with tensile stress on main deck
B. sagging with compressive stress on main deck
C. hogging with tensile stress on main deck
D. hogging with compressive stress on main deck
