更多"The indications of a scavenge fire "的相关试题:
[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]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]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 defective places in the furnace () with fire bricks.
A. should be paved
B. should be cleaned
C. should be dismantled
D. should be welded
[单项选择]On a class B fire,which portable fire extinguisher would be the LEAST desirable?()
A. Carbon dioxide
B. Water (stored pressure)
C. Dry chemical
D. Foam
[单项选择]On a class “B” fire,which portable fire extinguisher would be the LEAST desirable?()
A. Carbon dioxide
B. Water (stored pressure)
C. Dry chemical
D. Foam
[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]Increased air () will raise scavenge efficiency and allow a greater mass of air to be compressed; more fuel may now be burned giving an increased power.
A. specific volume
B. density
C. viscosity
D. calorific value
[单项选择]Dry chemical extinguishers extinguish class B fires to the greatest extent by().
A. cooling
B. smothering
C. oxygen dilution
D. breaking the chain reaction
[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]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 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 scavenge box should be hot, ()would occur.
A. seized piston
B. defective atomizer
C. scavenge fire
D. too much LO
[单项选择]Gyrocompass repeaters reproduce the indications of the master gyrocompass. They are().
A. accurate only in the Polar regions
B. accurate electronic servomechanisms
C. hand operated
D. accurate only if the vessel is underway
[单项选择]Halon from extinguishers used on a class B fire,should be directed().
A. at the top of the flames
B. at the base of the fire near the edge
C. in short quick bursts
D. toward the upwind side of the fire