单项选择题
Which of the following represents the significance the fuel oil cetane number?()
A.The cetane number has no affect on injection lag
B.The cetane number is an indication of the fuel’s viscosity
C.Ignition lag is reduced with fuels having a high cetane number
D.The cetane number is of little significance in the combustion
相关考题
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单项选择题
Which of the following conditions is realized by the turbo-charging of a previously naturally aspirated diesel engine?()
A.Ignition lag increases
B.Lube oil system pressure increases
C.Brake specific fuel consumption increased
D.Mechanical efficiency increaded -
单项选择题
Piston cooling fins are located()
A.atop the piston crown
B.beneath the piston crown
C.at the base of the piston skirt
D.inside the cylinder liner cooling water jacket -
单项选择题
The ship security assessment is an essential and integral part of the process of developing and updating()
A.the ship security plan
B.the company security plan
C.the port security plan
D.the national security plan
