更多"An exhaust gas bypass is installed "的相关试题:
[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]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]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
[单项选择]To anneal a copper gasket, you should heat the gasket（）
A. and quench it in oil
B. cherry red and quench in water
C. and let it cool slowly in the air
D. and carbonize
[单项选择]The diesel engine exhaust gas bypass, as fitted with some waste heat boilers, is installed to （）
A. prevent engine back pressure at heavy loads
B. increase total engine efficiency at low loads
C. prevent boiler corrosion at low engine loads
D. improve engine fuel consumption at any load
[单项选择]Hot gas bypass is one of the methods used to （）
A. relieve excessive compressor head pressure
B. produce flash gas at the expansion valve
C. reduce flooding of the receiver at low load
D. defrost the evaporator coils
[判断题]USG5500支持千兆光口Bypass，以及千兆电口Bypass，不支持万兆光口Bypass。
[判断题]一个Bypass隧道可以绑定到多个物理接口，一个物理接口也可以绑定多个Bypass隧道。
[判断题]Bypass LSP一般处于空闲状态，不承担数据业务。如果需要Bypass隧道在保护主LSP的同时承担普通的数据转发任务，就需要配置足够的带宽。
[单项选择]Each inert gas system gas main must have an automatic shut down valve at the outlet of the gas production plant. This valve must close automatically upon（）.
A. cargo pump failure
B. blower failure
C. deck seal low water level
D. low inert gas temperature
[单项选择]Hot gas defrosting uses the hot gas from （） to defrost the evaporator.
A. starting air bottles
B. diesel engines
C. boilers
D. refrigeration compressors
[单项选择]An internal bypass is provided on some hydraulic system suction strainers to help reduce the possibility of （）.
A. aeration of the oil
B. contamination of the oil
C. pump cavitation
D. spongy actuator movements
[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]The sum of the sensible heat and the latent heat of any substance is known as （）.
A. total heat
B. residual heat
C. specific heat
D. superheat
