A.permanent loss of pump suction
B.worn shaft seals
C.high level in the oil sump
D.low motor RPM
您可能感興趣的試卷
你可能感興趣的試題
A.an improper rudder response
B.hammering noises in the equipment or transmission lines
C.popping or sputtering noises
D.all the above
A.clean the fittings before they are disconnected
B.Place drip pans under leaky fittings
C.Seal any cracks in lines with Permatex
D.Coat all threads with graphite oil
A.molecular fluid vibration
B.energy losses
C.wide pressure variations
D.mechanical damage to control valves
A.provide an area where air can separate from the oil
B.provide an area to separate solid contaminants from the oil
C.act as an oil and water separator
D.absorb shocks occurring in the system
A.act as a shock absorber
B.maintain the stored oil under pressure
C.act as a base or foundation for the power unit
D.eliminate pressure surges in the system
最新試題
Diesel engine air start system check valves are opened by ()
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?()
Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the()
During the diesel engine running, the water level of F.W expansion tank should normally kept in the () level of glass tube.
Under MARPOL Code the ship to which it applies has to carry ()
If two A.C.generators are to be operated in parallel, the load is distributed evenly by()
The ISPS Code consists of a mandatory section-Part A, which shows()
By comparing the exhaust gas temperature of each cylinder, the operator can determine if the load is balanced throughout the engine. The device most commonly used is a()
Flame failure in an automatically fired auxiliary boiler can from a/an ()
The additional mark ()in the Classification Certificate for Machinery means propulsion apparatus is remotely controlled on the navigating bridge control station, and engine assembly control station is unmanned periodically.