单项选择题X 纠错
A.the starting air supply is cut off and fuel is injected into the cylinders
B.the fuel feeding is cut off and the turning gear is put in
C.the starting air supply is cut off and turning gear is taken out
D.the electric blower is shut down and fuel is injected into the cylinders
你可能喜欢
单项选择题
A.suction stroke
B.compression stroke
C.power stroke
D.exhaust stroke
单项选择题
A.has nearly come to the TDC
B.has just past the TDC
C.has nearly come to the BDC
D.has just past the BDC
单项选择题
A.pilot air;pilot air
B.handle;solenoid
C.handle;pilot air coming through the distributor
D.solenoid;pilot air coming through the distributor
单项选择题
A.supplying high pressure oil into a hydraulic motor
B.supplying high temperature air into the cylinder
C.supplying high pressure air into the cylinder
D.electrical igniting
单项选择题
A.can be started at low temperature and are free from preheating
B.usually are preheated by steam before being started
C.are kept at a constant temperature and free from preheating
D.are kept at a low temperature to save energy
单项选择题
A.at the jacket cooler outlet to control the flux through the engine
B.at the jacket cooler outlet to control the flux through the cooler
C.at the engine outlet to control the flux through the engine
D.at the engine inlet to control the flux through the engine
单项选择题
A.an engine-driven;as well
B.an engine-driven;has an independent pump
C.an independent;as well
D.an independent;has an engine-driven pump
单项选择题
A.open;the minimum components
B.open;the high cooling efficiency
C.central;there are more coolers and a extra set of pumps
D.central;there is only one component contacts seawater
单项选择题
A.the expansion tank is lack of water
B.the expansion tank is over flowing
C.there is something wrong with the cooling system
D.there is something wrong with the engine
单项选择题
A.the central cooling system, different
B.the central cooling system, the same
C.the open cooling system, different
D.the open cooling system, the same