更多"In the （） pressure charging system "的相关试题:
[单项选择]One characteristic of a pulse type turbo-charging system is（）
A. high average exhaust manifold
B. greatly fluctuating inlet manifold pressure
C. constant exhaust manifold pressure
D. multiple exhaust pipes to the turbocharger
[单项选择]Charging-air pressure increases if there is incorrect combustion and drop in the （） of the diesel engine.
A. machine efficiency
B. machinery efficiency
C. mechanical efficiency
D. mechanics efficiency
[单项选择]As a high pressure system approaches，the barometer reading（）.
A. stays the same
B. falls
C. rises
D. falls rapidly
[单项选择]When a high pressure system is centered north of your vessel in the Northern Hemisphere（）.
A. You should experience hot，moist，clear weather
B. The wind direction is generally easterly
C. The winds should be from the southwest at your location
D. The winds should be brisk
[单项选择]Compared to a low pressure system，generally the air in a high is（）.
A. warmer，less dense，and less stable
B. cool，more dense，and drier
C. muggy and cloudy
D. extremely moist with high relative humidity
[单项选择]The passing of a low pressure system can be determined by periodically checking the（）.
A. Thermometer
B. Hygrometer
C. Barometer
D. Anemometer
[单项选择]Flexible hose under pressure in a hydraulic system will （）.
A. tend to twist about its long axis
B. expand in length and in diameter
C. contract in length and expand in diameter
D. flex at right angles to the applied pressure
[单项选择]The high pressure in fuel injection system of the diesel engine is produced by the （）.
A. injector pump
B. fuel injector
C. governor
D. turbocharger
[单项选择]Chart/Publication correction record Card system ensures that every chart is properly corrected（）.
A. in use
B. prior to use
C. after use
D. When chart received on board
[单项选择]Pressure in an operating hydraulic system is developed （）.
A. only by the pump as its primary function
B. by resistance to the fluid flow through the system
C. by the thermal input to the systems fluid
D. solely by the charge applied by the accumulators
[单项选择]The refrigeration system low pressure cutout switch is actuated by （）.
A. an electric system manager
B. a sensing bulb at the tail coil of the evaporator
C. pressure changes in the suction line
D. failure of the king solenoid valve
[单项选择]The pressure range between the system cut in and cut out pressures in a refrigeration unit is known as（）
A. opposing operational drag
B. pressure distribution
C. differential
D. system purge
[单项选择]The low pressure side of a refrigeration system is considered to exist from the （）.
A. expansion valve to the compressor
B. receiver to the expansion coil
C. expansion valve to the evaporator
D. condenser to the expansion valve
[单项选择]Oil pressure in the lubrication system is （） the static sea water head to ensure that sea water （） the stem-tube.
A. lower than；can lubricate
B. lower than；can cool
C. higher than；can enter
D. higher than ；cannot enter
[单项选择]Oil pressure in the lubrication system is（）than the static sea water head to ensure that sea water cannot enter the sterntube in the event of seal failure.
A. higher
B. lower
C. very higher
D. very lower
[单项选择]Loran-C uses the multiple pulse system because（）.
A. Less signal energy is necessary for receiver operation
B. More signal energy is available at the receiver
C. It significantly increases the peak power
D. It increases the signal capacity
[单项选择]In the common rail system, excessive pressure in the header may be caused by （）
A. improper adjustment of the bypass valve
B. a dribble in the fuel injection nozzle
C. insufficient leak-off through injection nozzle packing
D. a malfunctioning injection nozzle
[单项选择]In an air conditioning system, low head pressure associated with a reciprocating compressor can be the result of （）
A. broken valve springs
B. tight drive belts
C. high line voltage
D. air in the system
[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
