单项选择题

Which of the following can be obtained by means of an indicator card?（）

A.the peak pressure in a cylinder
B.the temperature of the cooling water
C.the fuel consumption
D.none of the above

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单项选择题

A.power
B.maximum pressure in a cylinder
C.mean pressure in a cylinder
D.all of the above

单项选择题

A.cetane number
B.flash point
C.viscosity
D.setting point

单项选择题

A.starting air pressure too high
B.correct timing of starting air valves
C.three of the starting valves stuck
D.the turning gear disengaged