When the ship is in restricted visibility, the officer in charge of the engineering watch shall ensure that ⅠBridge order relating to changes in speed or direction of operation are immediately implementedⅡ.auxiliary machinery used for maneuvering is readily availableⅢ.permanent air or steam pressure is available for sound signals.

The shutter of the evaporator was blocked with _____, it means there was too much evaporation.

The refrigerating agent can _____ at low temperature in the evaporator.

Which of the following pumps belongs to centrifugal pump?

If the cooling water temperature and the lube oil temperature in a diesel engine are too high, the cause can be ________.

A substantial increase in crankcase pressure could be an indication of ______.

The output voltage of a three-phase alternator is regulated by the _____.

What is the result of converting 10℃ into degree of Fahrenheit?

Which of the following descriptions best identifies the operating principal of a flash-type evaporator?

_____ connected to the moving tiller will bring the floating lever pivot and the lever into line at right angles to the screw shaft axis.

Water evaporates or steam condenses at the saturation temperature, which depends upon the pressure, the higher the pressure _____ the saturation temperature.