The bore of a diesel engine cylinder describes the ()
A、swept volume of the cylinder
B、inside diameter of the cylinder
C、piston displacement in the cylinder
D、length of the piston stroke
The bore of a diesel engine cylinder describes the ()
A、swept volume of the cylinder
B、inside diameter of the cylinder
C、piston displacement in the cylinder
D、length of the piston stroke
Moisture in a D-Cmotor would cause ().
A、short circuit
B、speed up
C、slow down
D、hunting
When start a screw pump, the by pass valve should be ().
A、closed
B、opened fully
C、cracked open
D、partly open
Modern centrifuge designs enable continuous over a considerable period of timeThis is achieved by which is timed to discharge the sludge at regular intervals()
A、an injection process
B、an ejection process
C、a separation process
D、a heating process
The average pressure exerted on piston during each power stroke is termed()
A、indicated horsepower
B、mean effective pressure
C、exhaust back pressure
D、compression pressure
Any carbon built up on surfaces must be washed away by () additives and held in suspension by a () additive.
A、dispersant;detergent
B、detergent;dispersant
C、dispersant;dispersant
D、detergent;detergent