A . it has a longer power stroke
B . more air gets into the cylinder each stroke
C . it develops twice as many power strokes at the same speed
D . higher combustion pressure is developed
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 engi
[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-------
Exhaust gases are generally removed from the cylinders of a two-stroke/cycle die
[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
[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 slow-speed two-stroke diesel is usually arranged to operate continuously onhea
[单选题]The four-stroke engine is used for （） and sometimes for main propulsion with a gearbox to provide a propeller speed of between 90 to 120 rev/min.A . alternatorB . turbo-chargerC . remote controllerD . windla
[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