更多"Increased air () will raise scaveng"的相关试题:
[单项选择]The scavenge air receiver is of a simplified and modular design with integral non-return flaps, hanging cooler and two auxiliary air blowers()
A. dozens
B. parcels
C. bundles
D. gallons
[单项选择]To obtain maximum efficiency, two stage air compressors are usually ().
A. horizontally mounted
B. never fitted with intake filters
C. fitted with intercoolers
D. operated in an unloaded condition at all times
[单项选择]When occurring a fire in the scavenge air box, the following measures should be taken except for()
A. reducing speed to SLOW and asking bridge for permission to stop
B. stopping the fuel oil supply
C. switching-on the auxiliary blowers
D. putting the scavenge air box fire extinguishing equipment into function
[单项选择]The efficiency of turbocharge system is increased by fitting a charge air cooler () the compressor.
A. inside
B. before
C. after
D. against
[单项选择]In a turbocharger, inlet air velocity is increased in the().
A. inlet nozzle ring
B. stationary diffuser passages
C. compressor outlet volute
D. rotating impeller vanes
[单项选择]To avoid scavenge fires occurring the engine timing and equipment maintenance ().
A. should be correctly carried out
B. should correctly be taken place
C. should carried with care
D. must to carry out with great care
[单项选择]The scavenge port inspection should be carried out(), to obtain the most reliable result with regard to the effectiveness and sufficiency of the cylinder lubrication and the combustion cycle (complete or incomplete).
A. at the first stop after a long voyage egby anchoring if possible
B. at the first stop after arrival at harbor
C. at the first stop after low load running
D. at the first stop after passing river or canal passage
[单项选择]The indications of a scavenge fire are excessive black smoke, () and peeling from scavenge trunking.
A. turbo-chargers surge
B. spark seen from the drains
C. paint blistering
D. all above are right
[单项选择]The process of loop scavenge is that the exhaust will be via ports () the air ports and controlled by the same piston.
A. behind
B. far from
C. adjacent to
D. in front of
[单项选择]If a scavenge fire starts, the engine must be put to “()” and the fuel must be taken off the cylinders affected by the fire.
A. stop engine
B. finished with engine
C. dead slow ahead
D. dead slow astern
[单项选择]Once a scavenge fire is detected, fuel should be shut off from the affected cylinders and cylinder lubrication increased () the risk of seizure.
A. to protect
B. to guard
C. to maximize
D. to minimize
[单项选择]Once a scavenge fire is detected the engine ().
A. will be speeded up
B. should be slowed down
C. must slow down
D. have to be slow down
[单项选择]To avoid scavenge fires () the engine timing and equipment maintenance should be correctly carried out.
A. occurred
B. occurring
C. not happening
D. occur
[单项选择]If the scavenge fire is of a more major nature, if there is a risk of the fire extending or if the scavenge trunk is adjacent to the crankcase with risk of a hot spot developing it sometimes becomes necessary to ()the engine.
A. stop
B. start
C. speed up
D. slow down
[单项选择]If scavenge box should be hot, ()would occur.
A. seized piston
B. defective atomizer
C. scavenge fire
D. too much LO
[单项选择]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
[单项选择]Air entering an air-cooled refrigeration system is indicated by ().
A. frosting of the liquid line
B. higher than normal head pressure
C. a clear sight glass
D. abnormally cold reefer boxes
[单项选择]Compressed air is supplied by air compression to ().
A. the air receivers
B. the starting valves
C. the cylinder covers
D. the distributors