单项选择题
An acceptable method of measuring for the correct rotational force applied to the connecting rod and main bearing bolts, is to use a（）
A.torque wrench
B.monkey wrench
C.pipe wrench
D.slugging wrench
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相关考题
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单项选择题
Which of the listed types of starting systems is often used on large, low-speed, direct reversing, main propulsion diesel engines?（）
A.Electric
B.Hydraulic
C.Air
D.All of the above -
单项选择题
In a large, low-speed diesel engine the clearance between the piston crown and cylinder head is found to be excessiveIn order to correct for this, you should（）
A.build up the piston crown by metal spraying
B.build up the cylinder head by metal spraying
C.insert shims between the crankpin bearing box and the connecting rod foot
D.install a thinner head gasket -
单项选择题
A mixture of 45%cetane and 55% alpha-methyl-naphthalene is found to have the same ignition delay as a sample of diesel oil √The sample can be described as having a/an（）
A.cetane number of 55
B.cetane number of 45
C.octane number of 55
D.octane number of 45
