A、A.greater than the average exhaust manifold pressure
B、B.less than the average exhaust manifold pressure
C、C.greater at the turbine wheel than at the impeller
D、D.greater at reduced engine speed
更多“The relative air pressure in the inlet manifold of a turbocharged diesel engine is usually（）”相关的问题
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
A、dew point increase B、dew point decreases C、relative humidity increases D、relative humidity decreases
A、dew point increases B、dew point decreases C、relative humidity increases D、relative humidity decreases
A、temperature of the air equals the temperature of the seawater B、atmospheric pressure is 14.7 lbs. per square inch C、relative humidity reaches 50% D、air becomes saturated with water vapor
A、A.admit only enough fresh outside air to provide proper ventilation B、B.reduce the air reheating system load C、C.lower the compressor head pressure D、D.operate the purge recovery unit continuously
A、A.dew point increases B、B.dew point decreases C、C.relative humidity increases D、D.relative humidity decreases
A、increase the density of the cylinder air charge B、prevent turbocharger overheating C、liminate the need for a pre-cooler D、remove moisture from air compressed by the turbocharger
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