问题：
[单选] The design of （） is similar to that of the main bearing.
the block bearing。the camshaft bearing。the connecting rod small end bearing。the connecting rod large end bearing。
问题：
[单选] The design of the connecting rod large end bearing is similar to that of the mainbearings Whats the meaning of "that" in the sentence above?（）
the connecting rod。large end bearing。the main bearing。the desig。
问题：
[单选] The development of （） has kept pace with the increasing demands made by the steady rise in power produced by modem marine diesels.
water。fresh air。oils。gase。
问题：
[单选] The diameter of the crank-pins should be measured with a （）.
salinometer。thermometer。tachometer。micrometer。
问题：
[单选] The diameter of the gravity disc is too big It causes oil to flow through the water outlet We changed the disc and no （） is found in the water outlet.
water。oil。scale。ridge。
问题：
[单选] The diameters of the crankpins should be measured using （）.
a micrometer。a bridge gauge。a spanner。a wrench。
问题：
[单选] The diesel engine is a type of （）.
turbine engine。gas turbine。steam engine。internal combustion engine。
问题：
[单选] The diesel engine is a type of internal combustion engine which ignites the fuel by injecting it into hot, high pressure air in a （）.
air bottle。air compressor。crank case。combustion chamber。
问题：
[单选] The diesel engine must be started before it can run by it self For this purpose （） has to be used.
a starting system。the starting air。a starting operation。A, B and C。
问题：
[单选] The diffuser prevents pressure pulses from one cylinder （） another during operation.
to interfere with。interfering with。to help scavenging。helping scavenging。
