On a turbo-charged, medium-speed diesel engine, which of the following problems is an indication of a restricted air intake passage?()
- AEngine is hard to start
- BEngine misses
- CSurges at governed RPM
- DCoolant temperature is too low
On a turbo-charged, medium-speed diesel engine, which of the following problems is an indication of a restricted air intake passage?()
1、Which of the turbo-charging systems li
Which of the turbo-charging systems listed operates with the least average back pressure in the exhaust manifold?()AConstant volumeBConstant pressureCPulse pressureDRadial flow
2、Dirt in the fuel oil system of a diese
Dirt in the fuel oil system of a diesel engine can cause ().Aclogged filtersBpoor combustionCoverloading of the dieselDshock of fuel line
3、A six-cylinder, two-stroke/cycle diese
A six-cylinder, two-stroke/cycle diesel engine is fitted with a rotary distributing air starting systemThe speed of the rotating distributor disc is ()Aone-half engine speedBthe same as engine speedCtwice engine speedDfour times engine speed
4、The purpose of the flywheel of a diese
The purpose of the flywheel of a diesel engine is to ().Acounterbalance the crank throws on the crankshaftBkeep the engine running smoothly b...
5、On a medium-speed main propulsion dies
On a medium-speed main propulsion diesel engine, the crank-pin or crank journal bearings receive lubricating oil from ().Aa spindle lubricatorBan oil jetCinternal splashingDdrilled passages in the crankshaft
6、When starting air is admitted, a diese
When starting air is admitted, a diesel engine turns over very slowly without firingThe cause may be ()Aan obstruction in an cylinderBwater accumulation in some engine cylindersClow starting air pressureDlow scavenge air pressure