During working, when the piston is near the _____, the air ignites the fine spray of fuel.

Which of the following characteristic of lube oil helps to reduce the amount of deposits in the piston ring belt during the combustion process in a diesel engine？

When inspecting piston rings through the ports of a two－stroke／cycle diesel engine, black

During the suction stroke, the piston is moving _____.A.inwardsB.outwardsC.downwardsD.upwa

During which of the listed piston stroke of a four－stroke／cycle diesel engine, is the pist

The starting air entering the cylinder begins when the piston .A.has nearly come to the TD

We have planned to remove the piston with the help of assistant engineers during the cargo