If the thermal bulb of an expansion valve is incorrectly placed at the center of the coil instead of the end, it will （）.

A salinity indicator is used to determine the （）.

One cause of high head pressure occurring in a refrigeration system can be （）.

On tank vessels equipped with power operated cargo tank valves, the type of power operator most commonly used is （）.

An increasing head pressure in a refrigeration system, without any corresponding change in the cooling water inlet temperature, would probably be caused by （）.

The general purpose of a heat exchanger is to （）.

If the viscosity of the liquid being transferred remains constant as the discharge pressure increases, the rotary pump （）.

Thermostatic expansion valves can be adjusted for （）.

If you are given the job of adding hydraulic fluid to a mooring winch, and are not certain as to the type of fluid to use, you should （）.

The output volume of a positive fixed displacement pump can be changed only by （）.