轮机部三管轮考试题1(轮机英语)

Forcing the exhaust gases form. the cylinder of an operating diesel engine with the aid of a blower is known as _________.

Throttling in the _____ line of a centrifugal pump involves the risk of the pump cavitation.

The accident resulted ______ the motorman’s carelessness.

The function of lubricating oil is to _____.

In a diesel engine, works as working medium and changes the heat energy to mechanical energy, changes the reciprocating movement to rotary moment.

The oil in a cargo winch gear box should be sampled periodically to _____.

The lowest temperature at which fuel combustion becomes self-sustaining in the presence of a source of ignition, is defined as the .

Precision engine bearing inserts are manufactured with a small portion of the bearing ends extending beyond the bearing housing or capsThe installation process of these bearings requires sufficient ______.

An axial piston pump differs from a radial piston pump as the pistons of an axial piston pump are positioned _____.

Modern centrifuge designs enable continuous over a considerable period of timeThis is achieved by which is timed to discharge the sludge at regular intervals.