A.for the release of air from the cooling water
B.providing expansion room for heated cooling water
C.a place for implementing water and water treatment agent
D.all of the above
您可能感興趣的試卷
你可能感興趣的試題
A.1/2
B.1
C.2
D.3
A.non-synchronous electric motor
B.synchronous electric motor
C.fully enclosed electric motor
D.watertight electric motor
A.an increase in the exhaust temperature of the affected cylinder
B.the turbocharger may surge
C.the explosion pressure in all cylinders will rise violently
D.smoke from the turbocharger air inlet filter will be seen
A.refreshing the air
B.making person upset
C.adjusting the air humidity
D.adjusting the air temperature
A.15 liters nautical mile
B.30 liters nautical mile
C.60 liters nautical mile
D.100 liters nautical mile
最新試題
Engine parameters shall be corresponded to NOx Technical Files. This is required by （）
Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the（）
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.
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?（）
“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a（）
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the（）
For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?（）
Flame failure in an automatically fired auxiliary boiler can from a/an （）
Which of the following items don’t belong to dock repair works?（）