单项选择题
Exhaust gas pyrometers are useful for（）
A.detecting faulty combustion in individual cylinders B.adjusting fuel racks to maintain equal loading between cylinders C.adjusting the load limit setting of the governor at idle conditions D.calculating engine horsepower
单项选择题 A connecting rod in a four-stroke/cycle diesel engine is subject to（）
单项选择题 Thermocouple pyrometers are used on large, main propulsion diesel engines to indicate the temperature of the（）
单项选择题 Low compression pressure in a diesel engine is caused by（）
