更多"During waste clothes being charged "的相关试题:
[单项选择]It is during () that work energy is being put into the engine; during the other 3 strokes of the piston, the engine is having to do the work.
A. the suction stroke
B. the compression stroke
C. the expansion stroke
D. the exhaust stroke
[单项选择]Waste oil should()
A. be treated according to the C-Es command exactly
B. be treated according to MARPOL
C. accumulate in bilges or on tank tops in accordance with MARPOL
D. discharge to sea at the specified areas
[单项选择]You intend to discharge medical or hazardous wastes ashore MARPOL annex V requires you to notify a receiving port or terminal in advance.How much advance notice require?()
A. 12 hours
B. 24 hours
C. 48 hours
D. Advance notification is not required
[单项选择]Generating tubes in waste heat boilers are finned to ().
A. reduce gas flow turbulence
B. prevent exhaust gas corrosion
C. increase the rate of combustion
D. increase the rate of heat transfer
[单项选择]Diesel engine waste heat boiler construction is usually of the fire-tube or()
A. cyclone furnace boiler type
B. dry back boiler type
C. water-tube type
D. critical circulation boiler type
[单项选择]Solid waste generation,and electricity and water consumption are costly and have their own set of environmental().
A. inspect
B. impairs
C. impacts
D. insects
[单项选择]Fueling activities()waste liquids and vapor releases to air.
A. commence
B. generate
C. give
D. have
[单项选择]The solid waste was charged into the incinerator through ().
A. the solid waste dump chute
B. an access door
C. the same way for waste oil burners
D. a changing opening
[单项选择]Fueling results in the collection of waste oil in drip pans and containers. Which is an approved method of disposing of the waste oil? ()
A. Draining it overboard when the vessel gets underway
B. Placing it in proper disposal facilities
C. Adding sinking agents and discharging it into the water
D. Mixing it with dispersants before draining it overboard
[单项选择]The maximum pressure developed by a waste heat boiler is determined by the main engine exhaust ().
A. gas composition
B. gas temperature
C. pressure
D. timing
[单项选择]The purpose of designing some waste heat boilers with sinuous fire tubes, is to()
A. increase exhaust gas velocity through the boiler
B. reduce accumulations of carbon deposits on the heat transfer surfaces
C. eliminate exhaust gas pulsations and noise
D. increase the rate of heat transfer to the waterside
[单项选择]Waste oil from the lube oil sumps of machinery may NOT be ().
A. drained into the vessels bilges
B. reclaimed for other uses
C. held in a slop tank
D. purified and then reused
[单项选择]An exhaust gas bypass is installed on a waste heat boiler in order to ().
A. bypass exhaust gas at high loads to prevent excessive back pressure
B. bypass a portion of the exhaust gas at peak loads for better efficiency
C. recycle exhaust gas to the turbocharger
D. minimize moisture condensation in the boiler gas passages at low loads
[单项选择]A fire involving trash and paper waste would be classified as a ().
A. class A
B. class B
C. class C
D. class D
[单项选择]A waste heat boiler is installed on some diesel propelled vessels to ().
A. provide steam for emergency propulsion
B. provide steam for the turbo-generator
C. heat the waste water tanks
D. steam for warming engines
[单项选择]A SECONDARY function of a waste heat boiler is to ().
A. reduce engine exhaust noise
B. reduce engine back pressure
C. increase engine cycle efficiency
D. increase turbocharger efficiency
[单项选择]The PRIMARY function of a waste heat boiler is to ()
A. reduce engine exhaust noise
B. reduce engine back pressure
C. recover heat which otherwise would be lost
D. increase turbocharger efficiency