单选题Modem engines () exhaust gas driven turbo-chargers to supply pressurized fresh air for scavenging and supercharging.Amake use ofBhave made the use ofCby means ofDmake advantage of

单选题
Modem engines () exhaust gas driven turbo-chargers to supply pressurized fresh air for scavenging and supercharging.
A

make use of

B

have made the use of

C

by means of

D

make advantage of


参考解析

解析: 暂无解析

相关考题:

The effect that exhaust gas recirculation can reduce NOX formation is partly due to a reduction of the()concentration in the combustion zone and partly due to the content of water and carbon dioxide in the exhaust gas.A.OxygenB.NitrogenC.SulphurD.Freon

A dry-type spark arrestor removes sparks from a diesel engine exhaust by ____.A.increasing the linear velocity of the exhaust gasesB.changing directions of exhaust gas flowC.decreasing the temperature of the exhaust gasesD.accelerating the exhaust gas through a reduced size orifice

The maximum pressure developed by a waste heat boiler is determined by the main engine exhaust ______.A.gas compositionB.gas temperatureC.pressureD.timing

Which method is used to supply inert gas from a flue gas system to the cargo tanks?A.Exhaust gas pressure from the stackB.High capacity fanC.Inert gas compressorD.Natural aspiration

The 1982 oil and gas act gives power to permit the disposal of assets held by the corporation, and ___ the corporation's statutory monopoly in the supply of gas for fuel purposes so as to permit private companies to compete in this supply.A.decreaseB.abateC.curtailD.dwindle

单选题A water jacket is placed around the exhaust manifolds of propulsion diesel engines to()Areduce heat radiation to the engine roomBaid in preventing turbocharger overheatingCcondense and drain moisture from exhaust gasesDdampen exhaust gas pulsations in the manifold

单选题For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?()Athe temperature and flow quantity of the exhaust gas from M.EBthe quantity of steam demandedCthe rotary speed and the cooling water temperature of main engineDefficiency of M.E turbocharger

单选题An exhaust gas bypass is installed on a waste heat boiler in order to ().Abypass exhaust gas at high loads to prevent excessive back pressureBbypass a portion of the exhaust gas at peak loads for better efficiencyCrecycle exhaust gas to the turbochargerDminimize moisture condensation in the boiler gas passages at low loads

单选题Diesel engine mufflers or silencers reduce the engine exhaust noise by ()Apassing the exhaust through long head pipesBdiffusing exhaust vibrations through activated carbon bafflesCincreasing the exhaust gas velocityDreducing the exhaust gas velocity

单选题Modem engines make use of exhaust gas driven turbo-chargers to supply pressurized fresh air for () and supercharging.AscavengingBstartingCcoolingDblowing

单选题Diesel engine exhaust noise can be reduced in an exhaust muffler by ()Achanging the direction of exhaust gas flowBincreasing the exhaust gas velocityCchanging the exhaust gas weightDincreasing the exhaust gas static pressure

单选题The exhaust system of a diesel engine is usually designed to remove exhaust gases and to ()Aprovide exhaust back pressureBprevent exhaust smoke emissionsCpower a reciprocating superchargerDmuffle exhaust gas noise

单选题In comparing engines of equal horsepower, higher exhaust gas temperatures occur in a/an()Aopposed-piston engineBdouble-acting engineCtwo-stroke/cycle engineDfour-stroke/cycle engine

单选题The purpose of designing some waste heat boilers with sinuous fire tubes, is to()Aincrease exhaust gas velocity through the boilerBreduce accumulations of carbon deposits on the heat transfer surfacesCeliminate exhaust gas pulsations and noiseDincrease the rate of heat transfer to the waterside

单选题To successfully reduce an excessively high diesel engine exhaust gas temperature, you should ().Areduce the engine driven fuel pump outlet pressureBretard the fuel injector timing to reduce powerCincrease the fuel rack settingDreduce the load on the engine

单选题Gas exchange, which is a basic part of the cycle of an internal combustion engine, is()Athe supply of normal air and removal of compressed airBthe supply of fuel oil and combustion of the atomized oilCthe supply of fresh air and removal of exhaust gasesDthe supply of fresh air and removal of the extra heat

单选题Generating tubes in waste heat boilers are finned to ().Areduce gas flow turbulenceBprevent exhaust gas corrosionCincrease the rate of combustionDincrease the rate of heat transfer

单选题A dry-type spark arrestor removes sparks from a diesel engine exhaust by()Aincreasing the linear velocity of the exhaust gasesBchanging directions of exhaust gas flowCdecreasing the temperature of the exhaust gasesDaccelerating the exhaust gas through a reduced size orifice

单选题Exhaust pipes for separate diesel engines can be combined only when ()Aspace limitations prevent separately run pipesBthe engines are small auxiliary unitsCthey are arranged to prevent gas backflow to each engineDa waste heat boiler is installed

单选题The exhaust boilers are used to recover some of () carried in the exhaust gas from the main engine.AwaterBoilCheatDsteam

单选题Fins are installed on the generating tube surfaces in waste heat boilers to ().Aprevent soot fires in the exhaust systemBprevent exhaust gas erosion of the tubesCincrease the velocity of exhaust gas flowDincrease the rate of heat transfer

单选题Which method is used to supply inert gas from a flue gas system to the cargo tanks?()AExhaust gas pressure from the stackBHigh capacity fanCInert gas compressorDNatural aspiration

单选题Modern engines () exhaust gas driven turbo-chargers to supply pressurized fresh air for scavenging and supercharging.Aare made ofBare made fromCmake use ofDare used to

单选题About the jacket water, that of the auxiliary engines usually() is circulated by pumps, and the main engine usually ()Aan engine-driven;as wellBan engine-driven;has an independent pumpCan independent;as wellDan independent;has an engine-driven pump

单选题An indication of an overloaded main propulsion diesel engine is ()Awhite smoke in the exhaustBhigh exhaust gas pyrometer readingsCsparks in the exhaustDblue smoke in the exhaust

单选题For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?()Athe temperature and flow quantity of the exhaust gas from M/EBthe quantity of steam demandedCthe rotary speed and the cooling water temperature of main engineDefficiency of M/ turbocharger

单选题“This increase in charge air density is accomplished on most modern diesel engine types by use of exhaust gas turbo-charging, in which a turbine wheel driven by exhaust from the engine is rigidly coupled to a centrifugal type air compressor” According to this sentence, we can know that increases density(), drives the compressor directly()Aa modern diesel engine;a turbine wheelBa modem diesel engine;exhaust gasesCa compressor;an exhaust gas turbochargerDa compressor;a turbine wheel