A.air supply is shut off
B.fuel supply is shut off
C.water supply is shut off
D.safety valve lifts
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A.high steam pressure in the boiler
B.abnormally high feed water temperature
C.abnormally high boiler water temperature
D.steam demand exceeding feed pump capacity
A.Clogged air intake falters
B.Piston blow-by
C.A defective after-cooler
D.Faulty exhaust valves
A.Splash
B.Gravity
C.Pressure
D.Bypass
A.scavenging action of the piston
B.piston type vacuum pump taking suction off a differential manometer
C.gland exhausting manometer
D.crankcase exhaust fan
A.prevent soot fires in the exhaust system
B.prevent exhaust gas erosion of the tubes
C.increase the velocity of exhaust gas flow
D.increase the rate of heat transfer
A.a spindle lubricator
B.an oil jet
C.internal splashing
D.drilled passages in the crankshaft
A.the same, whether at sea, or during maneuvering
B.adjusted during each hour of operation while at constant RPM
C.higher at sea than while maneuvering
D.lower at sea than while maneuvering
A.improve fuel economy
B.increase the air charge velocity
C.reduce the risk of explosion
D.all of the above
A.Increased suction head pressure
B.Decreased feedwater temperature
C.Pump recirculating line being open too much
D.Excessive feedwater temperature
A.The safety valve escape piping should be disconnected from the valve body and a blank inserted
B.The boiler vent valves should be opened
C.All handhole/manhole covers should be tightened up as much as possible to preclude any leaks
D.All of the above
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White smoke exhausting from an operating diesel engine may indicate ().
The highest pressure in a diesel engine cylinder normally occurs ().
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in ().
Electrically operated safety devices on auxiliary diesel engines function to stop the engine by ().
The minimum speed an engine must attain before ignition can occur depends upon ().
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should ().
How many power strokes per crankshaft revolution are there in an eight cylinder, two stroke/cycle diesel engine?()
An automated diesel engine should normally shut down due to ()
The ability of the governor to prevent fluctuations in engine speed is termed ().
What is the function of the thrust bearing?()