3.1.2.2 船舶柴油机的工作原理和基本结构For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four-stroke/cycle diesel engine because of the following reasons().

[单选题]For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four-stroke/cycle diesel engine because （）.A . it has a longer power strokeB . more air gets into the cylinder each strokeC . it develops twice as many power s

Exhaust gases are generally removed from the cylinders of a two-stroke/cycle die

[单选题]A two-stroke diesel engine exhaust temperature will be lower than a four-stroke diesel engine of the same displacement because the （）(1) MEP is lower and the scavenging air is cooling the exhaust gases(2) valve overlap in a four-strokeA . (1) only is

The position of the sump tank of the two-stroke diesel engine is often in-------

[单选题]If a four-stroke/cycle diesel engine is running at 1550 RPM, the speed of the camshaft will be（）.A . 525 RPMB . 775 RPMC . 1550 RPMD . 1800 RPM

[单选题]In a four-stroke/cycle diesel engine, the camshaft rotates at （）A . twice the crankshaft speedB . half the crankshaft speedC . the same speed as that of the crankshaftD . a speed independent of that of the crankshaft

[单选题]A． two stroke diesel engine exhaust temperature will be lower than a four stroke diesel engine of the same displacement because the _____. ① MEP is lower and the scavenging air is cooling the exhaust gases ② valve overlap in a four strokeA．①B．②C．① an

A piston in a four-stroke/cycle diesel engine makes four strokes during each( )

[单选题]The two-stroke cycle begins with the piston coming up from the bottom of its stroke, with scavenge ports in the sides of the cylinder being （）.A . shutB . closingC . openedD . closed

[单选题]Large, two-stroke/cycle, main propulsion, diesel engine cylinders can be successfully pressure charged during normal operation, by using the （）.A . exhaust gas temperature systemB . exhaust load systemC . constant or pulse pressure systemD . constant