A.bypass exhaust gas at high loads to prevent excessive back pressure
B.bypass a portion of the exhaust gas at peak loads for better efficiency
C.recycle exhaust gas to the turbocharger
D.minimize moisture condensation in the boiler gas passages at low loads
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A.Correct the cause of the scoring and repair the sleeve or replace with a new one
B.Reassemble the unit and provide more water leak off for proper lubrication
C.Check for parallel alignment of the sleeve radial faces to the sleeve bores
D.Reassemble the unit and adjust the governor to obtain a slower speed
A.Copper
B.Copper and carbon
C.Carbon
D.Bronze
A.Chilled water system supply temperature
B.Chilled water system return temperature
C.Compressor discharge temperature
D.Compressor suction pressure
A.water
B.voltage
C.fuel pressure
D.steam pressure
A.sliding bowl bottom
B.bowl hood
C.bowl
D.filter units
最新試題
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.
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.
The treatment of the fuel oils involves storage, heating, filtering and（）
The condensers located in various stages of a flash evaporator are cooled by（）
“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a（）
Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）
A purge recovery system is used in a centrifugal air conditioning or refrigeration system to （）
The shipboard oil pollution emergency plan will be invalid after （）
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）
Diesel engine air start system check valves are opened by （）