A low pressure annular preventer which is used to direct flow of kick fluids away from the
A.dump valve
B.deflector
C.separator
D.diverter
A.dump valve
B.deflector
C.separator
D.diverter
Low pressure tires have ______. potential for compaction than high pressure tires.
A. higher B. lower C. similar
Low compression pressure in a diesel engine is caused by___________.
A.low water in the expansion tank
B.improperly seated valves
C.low fuel oil pressure
D.worn or broken cylinder liner sealing rings
A.① and ②
B.② and ③
C.① ② and ③
A.low firing pressure and low exhaust temperatures
B.low firing pressure and normal exhaust temperatures
C.high firing pressure and low exhaust temperatures
D.high firing pressure and high exhaust temperature
A.areas of high pressure which extend out of cyclones or behind of depressions
B.areas of low pressure which extend out of cyclones or behind the depressions.
C.areas of low pressure which extend out of anticyclones or ahead of depressions.
D.areas of high pressure which extend out of anticyclones or ahead of depressions
The refrigerant leaves the evaporator of a refrigeration system as a low pressure _____.
A.sub-cooled liquid
B.high temperature liquid
C.oil saturated liquid
D.superheated vapor
A.globe valves
B.butterfly valves
C.gate valves
D.reducing valves
In the Northern Hemisphere, when the low pressure center at your location is northerly,
causing the wind is located to your ______.
A.NNW
B.WSW
C.ESE
D.SSW
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