更多"Bearing knocks are likely to occur "的相关试题:
[单项选择]Which will most likely occur when entering shallow water? （）
A. Rudder action will become more effective
B. The vessel's list will change
C. The vessel's trim will change
D. An increase in speed will occur
[单项选择]Combustion knock will most likely occur as a result of using a fuel with（）
A. low ignition quality
B. a high volatility
C. low ignition delay
D. a high cetane number
[单项选择]A class "C" fire would most likely occur in the （）.
A. engine room bilges
B. main switchboard
C. paint locker
D. rag bin
[单项选择]A class "B" fire would most likely occur in the （）.
A. main switchboard
B. engine room bilge
C. breathing compartment
D. electric fresh water transfer pump
[单项选择]Most troubles likely to occur with marine diesel engine can, if located in time, be remedied with no difficulty and many can be （）if the engine is maintained with a high sense of responsibility to the people on the part of the motormen and engineers.
A. found out
B. eliminated
C. avoided
D. lowered
[单项选择]Fog is likely to occur when there is little difference between the dew point and the（）.
A. relative humidity
B. air temperature
C. barometric pressure
D. absolute humidity
[单项选择]What is likely to occur when you are surging synthetic mooring lines on the gypsyhead during mooring operations?（）
A. The lines may jam and then jump off the gypsyhead
B. If there is sudden strain on the line，the man tending the line may be pulled into the gypsyhead
C. The lines' surging may cause the vessel to surge
D. The heat generated may cause the lines to temporarily fuse to the gypsyhead
[单项选择]Steam fog is most likely to occur on the Mississippi and Ohio Rivers in（）.
A. spring，around late evening
B. spring，around early evening
C. fall，around early morning
D. fall，around midday
[单项选择]A relative bearing is always measured from（）.
A. true north
B. magnetic north
C. the vessel's beam
D. the vessel's head
[单项选择]When the bearing becomes dry from lack of oil, the motor shaft may heat to （）an extent （） it welds itself to the bearing.
A. either；or
B. neither；nor
C. such；that
D. so；that
[单项选择]Valve gear knocks are more easily located while the engine （）.
A. is running
B. stops
C. is repaired
D. lacks of oil
[单项选择]Spring tides occur（）.
A. at the start of spring，when the Sun is nearly over the equator
B. only when the Sun and Moon are on the same side of the Earth and nearly in line
C. when the Sun and Moon are at approximately 90°to each other as seen from the Earth
D. when the Sun，Moon，and Earth are nearly in line，in any order
[单项选择]Neap tides occur（）.
A. at the start of spring，when the Sun is nearly over the equator
B. only when the Sun and Moon are on the same sides of the Earth and are nearly in line
C. when the Sun and Moon are at approximately 90°to each other，as seen from the Earth
D. when the Sun，Moon，and Earth are nearly in line，regardless of alignment order
[单项选择]Precision engine bearing inserts are manufactured with a small portion of the bearing ends extending beyond the bearing housing or capsThe installation process of these bearings requires sufficient （）.
A. overlap
B. crush
C. lap or lead
D. protrusion
[单项选择]Which of the following relationships should occur between the temperature developed in a combustion space, and the compression ratio of the engine?（）
A. Higher compression ratios create higher temperature
B. Higher temperatures create higher compression ratios
C. low temperatures create higher compression ratios
D. Higher compression ratios create low temperatures
[单项选择]Higher than normal jacket water temperatures occurring in all cylinders of a diesel engine can result from a/an （）.
A. oil suction line restriction
B. correct amount of coolant
C. cavitation erosion in the water jackets
D. clogged sea suction strainer
