A low pressure annular preventer which is used to direct flow of kick fluids away from the rig floor is called a ().
相似题目
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Condensate formed within the first-effect tube nest of a double-effect,low pressure evaporator, is removed by a ().
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The sensing line for the low pressure cutout switch to a refrigeration system is located ().
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High firing pressures and a low exhaust temperature in a diesel engine may result from ().
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The needle valve in the injector () at a pre-set pressure which ensures that the fuel will atomize once it enters the cylinder.
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The device used for low-pressure control and high-pressure cutout on a compressor is called ().
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Either a low injection pressure or a leakage of piston rings is able to lead ().
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A vacuum is initially established in the first and second stages of a low pressure evaporator by the use of ()
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Compared to a low pressure system,generally the air in a high is().
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In the Southern Hemisphere winds in a low pressure system rotate in a().
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Which of the listed components is considered to separate the high pressure side of a refrigeration cycle from the low pressure side of the cycle?()
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A crew member reports that the high-pressure alarm light of a low-pressure CO2 fixed fire extinguishing system is illuminated. The most probable cause of this condition would be that().
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In a compression refrigeration plant the refrigerant is under low pressure in the () and under high pressure in the ().
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Low compression pressure in a diesel engine is caused by()
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The efficiency and output capacity of a low pressure distilling plant will be reduced if the last effect shell ()
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Which general weather conditions should you expect to find in a low pressure system().
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Low compressor head pressure in a refrigeration system can be caused by().
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The passing of a low pressure system can be determined by periodically checking the().
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Low compression pressure in a diesel engine can be caused by()
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If a refrigeration crankcase compressor were short cycling on the low pressure cutout switch, the cause might be that the ().
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Late fuel injection in a diesel engine is indicated by low firing pressure with()
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207. The greater the pressure difference between a high and a low pressure center, the ______ .
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A generally circular low pressure area is called a (n) ______.
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Low compression pressure in a diesel engine can be caused by_____________.
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Low compression pressure in a diesel engine is caused by___________.
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