A、low relative humidity is maintained
B、triple banded squirrel cage fans are used
C、air circulation is a maximum
D、high relative humidity is maintained
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A、evaporator pressure decrease B、evaporator coil over-feed C、evaporator capacity increase D、expansion valve diaphragm rupture
A、the formation of sulfuric acid B、a decrease in lube oil viscosity C、a decrease in cooling water pH D、a thermostat failure
A、air binding of the engine cooling system B、a cracked water cooled exhaust manifold C、blockage in the heat exchanger D、faulty operation of the thermostat
A、A.higher torque but lower brake horsepower B、B.lower torque but higher brake horsepower C、C.higher torque and lower brake horsepower D、D.lower torque and higher brake horsepower
A、A. We should lower national flag when the sun sets. B、B. We should lower national flag when the ship is in port. C、C. We should lower national flag when loading and unloading. D、D. We should lower national flag when the sun rises.
A、Start ventilation，lower the ramp，notify engine room B、Lower the ramp，start ventilation，notify engine room C、Notify engine room，lower the ramp，start ventilation D、Start ventilation，notify engine room，lower the ramp
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