The pressure of the hose is too low.()
A、A.压载水压力太低。
B、B.水龙压力太低。
C、C.水龙压力太高。
D、D.压载水压力太高。
A、A.压载水压力太低。
B、B.水龙压力太低。
C、C.水龙压力太高。
D、D.压载水压力太高。
A、compression ratio of the engine B、volume of the engine C、relationships between pressure and volume during one stroke of the engine D、relationships between pressure and volume during one cycle of the engine
A、5 times the maximum working pressure on the hose during cargo transfer B、one half the designed working pressure C、4 times the pressure of the cargo pump used for transferring D、5 times the minimum working pressure on the hose during cargo transfer
A、A.causing moisture to accumulate against the bulkhead B、B.lowering the vapor pressure of the commodity C、C.lowering the dew point of the air D、D.raising the vapor pressure of the commodity
A、A.causing moisture to accumulate against bulkhead B、B.lowering the vapor pressure of the commodity C、C.lowering the dew point of the air D、D.raising the vapor pressure of the commodity
A、The condenser and the expansion valve B、The king valve and the solenoid valve C、The compressor and the expansion valve D、The condenser and the solenoid valve
A、maintain liquid refrigerant at the suction of the compressor B、maintain a preset suction pressure to the compressor C、start and stop the compressor at preset operating pressures D、operate at minimum efficiency
A、At zero load the intake manifold pressure is greater than the exhaust manifold pressure B、At full load the intake manifold pressure and exhaust manifold pressure are equal C、At full load the intake manifold pressure is less than the exhaust manifold pressure D、At full load the intake manifold pressure is greater than the exhaust manifold pressure
A、Closing of the solenoid valve B、Closing of the expansion valve C、An increase in the suction pressure D、Decreasing the suction pressure
A、effective cylinder scavenging and cooling B、constant pressure from the turbochargers C、cooler operation of the exhaust system D、effective constant pressure for turbocharger operation
A、pumping action of the piston B、pressure of the fuel charge C、vacuum developed in the manifold D、pressure of the fresh air charge