The diesel engine must be started before it can run by it self For this purpose （） has to be used.

[单选题]Before a marine diesel engine is started the cylinders and pistons must be （）.A . cooled to appropriate temperatureB . warmed up gradually to appropriate temperatureC . opened up and renewedD . ground and polished

[单选题]Before starting a diesel engine that has an engine driven lube oil pump, the engineer should （）.A . open the bypass lineB . cut in the lube oil coolerC . pressurize the lube oil systemD . top off the expansion tank

[单选题]In a diesel engine, fuel must be broken up into a spray of fine droplets to （）.A . increase its qualityB . obtain complete burningC . reduce its weightD . all of the above

[单选题]D．iesel engines are started by supplying into the cylinders in the appropriate sequence for the required direction.A．cooling waterB．compressing airC．compressed airD．cylinder oil

[单选题]Diesel engines are started by supplying （） into the cylinders in the appropriate sequence for the required direction.A . cooling waterB . compressing airC . compressed airD . cylinder oil

[单选题]The engine is started with （） supplied from air receivers.A . pressure oilB . pressure waterC . compressed airD . cooling water

[单选题]D．iesel engines are started by supplying_____into the cylinders in the appropriate sequence for the required direction.A．cooling waterB．compressing airC．compressed airD．cylinder oil

[单选题]After an engine is started you should（）.A . increase engine speed to insure adequate flow of oil to all parts of the engineB . pay no attention unless there are unusual noises from the engineC . check operating pressures and temperatures，and check fo

[单选题]_____ the engines, the diesel engine is ____ used engine on boardA．Between / more commonlyB．Among / the most commonlyC．Between / not more commonlyD．Among / not the most commonly

[单选题]The heart of the diesel engine is the （） where the fuel is burnt and the power developed.A . crankcaseB . cylinderC . scavenge boxD . pisto