更多"'gauge pressure' means（）."的相关试题:
[单项选择]The pressure difference of the gauge on the oily water separator increases greatly, the reason is（）
A. the filter is clogged
B. bilge suction value is clogged
C. suction value and discharge value of the pump do not open fully
D. screw pump is worn seriously and volumetric efficiency is decreased
[单项选择]The gauge pressure inside a container is -0~5kg/cm2, then what is the absolute pressure exerted to the inside surface of thin container?（）
A. 0~05Mpa
B. 0~95Mpa
C. 1~05Mpa
D. 0~5Mpa
[单项选择]The fuel oil pressure and forced draught pressure should be matched to ensure good combustion with a full steady flameIn the sentence the word “match” means （）
A. join with
B. mix
C. be equal to
D. be constant
[单项选择]High pressure and low pressure alarms must be tested（）.
A. no earlier than 24 hours prior to loading
B. no later than 24 hours prior to loading
C. anytime prior to loading
D. weekly
[单项选择]The vapor pressure of a gas is the pressure necessary to keep it in a(n)（）.
A. soluble state
B. solid state
C. liquefied state
D. inert state
[单项选择]The water level showing in a boiler water gauge glass is usually （） during working.
A. higher than the actual drum water level
B. equal to the actual drum water level
C. increasing due to steam condensation in the glass
D. lower than actual drum water level
[单项选择]The type of gauge most commonly used to measure pressure is the （）.
A. bimetallic type
B. diaphragm type
C. bourdon tube type
D. resistance-temperature type
[单项选择]VIT means （）
A. variable injection timing
B. variable inlet tonnage
C. vertical incoming tonnage
D. vertical inlet tank
[单项选择]A compound gauge is typically installed on the （）.
A. suction side of a bilge pump
B. exhaust manifold of an auxiliary diesel
C. discharge line from an air compressor
D. chemical feed tank of an evaporator
[单项选择]The water level in the gauge glass when a boiler is operating is （） when the boiler is shut down.
A. lower than
B. higher than
C. below
D. equal to
[单项选择]A level gauge for a tank is to （）.
A. give the pressure
B. give the contents
C. give the shape of the tank
D. give the accuracy level
[单项选择]Bridge gauge can be used to measure （） of a diesel engine.
A. diameters of journals
B. deflections of crankwebs
C. diameters of crankpins
D. none of the above
[单项选择]Rotating flyweights acting against spring pressure make a simple type of （）.
A. governor
B. safety valve
C. reducing valve
D. feed water regulator
[单项选择]AVAST means（）.
A. let go
B. pull
C. slack off
D. stop
[单项选择]Nimbus means（）.
A. rain
B. high
C. layer
D. cirrus
[单项选择]Inerting means（）.
A. the introduction of inert gas into a tank with the object of reducing the oxygen content to below 8% by volume
B. the introduction of inert gas into a gas free tank for the purpose of reducing the oxygen content to below 8% by volume
C. the introduction of inert gas into a cargo tank during cargo discharge to replace the volume of discharged cargo
D. All of the above
[单项选择]Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the（）
A. double bottom fuel oil tank temperature
B. heater supply steam flow
C. pressure of the fuel supplied to the burners
D. attemperator steam flow in the heater discharge circuit
[单项选择]The primary reason low pressure evaporators produce distillate more efficiently, and with less scale formation, than high pressure evaporators is （）.
A. evaporation is accomplished in a vacuum
B. due to the higher temperature of the incoming feed
C. due to the latent heat of evaporation principle
D. evaporation in a submerged medium produces more distillate
