单项选择题
Air receivers installed in starting air systems are to be ().
A.cylindrical in shape with service connections located at the top and bottom
B.opened and made available for inspection during biannual inspections provided
C.with automatic drain traps for the removal of moisture
D.so installed as to make the drain connections effective under extreme conditions of trim
相关考题
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单项选择题
Which of the conditions listed may occur in an operating diesel engine if air pockets form within the cylinder head circulating water passages? ()
A.Hydraulic stress and distortion will develop
B.Hot spots will develop
C.Fuel oil viscosity will increased
D.An increase in trapped deposits of scale and dirt -
单项选择题
The two strokes of a two-stroke/cycle diesel engine are ()
A.power and intake
B.intake and exhaust
C.exhaust and compression
D.compression and power -
单项选择题
Which of the items listed causes a direct acting mechanical governor to operate the engine fuel control linkage?()
A.Hydraulic oil pressure
B.Servomotor action
C.Flyweight centrifugal force
D.Relay motion
