A、admit only enough fresh outside air to provide proper ventilation
B、reduce the air reheating system load
C、lower the compressor head pressure
D、operate the purge recovery unit continuously
更多“To prevent the unnecessary loading of an air conditioning system while maintaining the designed dry bulb temperature and relative humidity in an air conditioning system, you should （）”相关的问题
A、and preventer have equal stress B、stronger than the preventer to minimize the danger of separation C、take a lighter load than the preventer as a safety factor D、take the stress in case the preventer parts
A、to prevent the fuel system from becoming air-hound B、to prevent the fuel system becoming clogged with dirty particles C、both of the above D、to prevent the lubricating oil from leaking out of the filter element
A、A.prevent the towboat from sliding when the rudder is moved B、B.prevent the barges from spreading out when backing down C、C.hold the towboat securely to the barges D、D.prevent the sidewise movement of the face barges
A、to prevent crushing of cargo B、to separate cargoes C、to prevent small containers from hanging up on the upper edges D、to offer the drainage
A、Drain the accumulated moisture B、Test the relief valves C、Watch the temperature to prevent fluctuations in pressure D、Clean the interior to remove oil and foreign matter
A、prevent the generation of flammable or combustible gas in tanks B、blow out cargo lines to prevent gas concentrations C、dilute tank atmospheres to keep gas concentrations below the lower explosive limit D、prevent fires in the pumproom by continually displacing flammable vapors
A、Keep the wire soft and manageable B、Lubricate the inner wires and prevent wear C、Prevent kinking D、Prevent rotting
A、A.prevent the generation of flammable or combustible gas in tanks B、B.blow out cargo lines to prevent the build up of gas concentrations C、C.dilute tank atmospheres to keep gas concentrations below the lower explosive limit D、D.prevent fires in the pumproom by continually displacing flammable vapors
A、prevent the boom from being raised too high B、prevent the boom from swinging C、support the boom when not in use D、prevent the boom from being lowered
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