单项选择题
A.turn engine with jacking gear
B.drain filters and strainers and bleed off water at each injection pump
C.use ether to start the engine with blow-down valves open
D.blow through the cylinders and fuel lines with a drying agent
单项选择题 As engine RPM is increased from idle speed to full load speed, which of the conditions listed will decrease?（）
单项选择题 Prior to starting, the purpose of turning over a main propulsion diesel engine with the cylinder test cocks open, is to （）
单项选择题 In the starting process of a diesel engine, the main object is to attain the compression conditions sufficient to （）