A.in order that
B.because of
C.in order to
D.owing to
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A.should be correctly carried out
B.should correctly be taken place
C.should carried with care
D.must to carry out with great care
A.a shortened ignition delay period
B.a lean fuel/air mixture
C.excess fuel in the combustion chamber
D.rapid vaporization of injected fuel droplets
A.too low starting air pressure
B.main starting valve closed
C.neither A nor B
D.A and B
A.high compression pressure
B.low intake air temperature
C.low exhaust pressure
D.high scavenge air temperature
A.the stem and heads are made of different material
B.low-alloy steel is used throughout
C.a replaceable valve disk is welded to the head
D.the self-centering action comes from motion of the valve stem in the guide
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Diesel engine air start system check valves are opened by （）
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the（）
The cetane rating of diesel fuel is an indication of the （）
Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the（）
（） is not installed on the main switchboar.
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated（）
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）
Cold weather starting of a diesel engine may be made easier by（）
The treatment of the fuel oils involves storage, heating, filtering and（）