Thermostatic expansion valves can be adjusted for （）.

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

When a refrigeration compressor has developed a high head pressure as a result of a refrigerant overcharge, you should （）.

The rate of heat transfer between the hot and cold fluids passing through a shell-and-tube type heat exchanger will （）.

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 （）.

A salinity indicator is used to determine the （）.

A pressure drop through the refrigerant liquid line may cause （）.

An internal bypass is provided on some hydraulic system suction strainers to help reduce the possibility of （）.

The control mode in which the final control element is moved from one of two flexed positions to the other is known as （）.

Low compressor head pressure in a refrigeration system can be caused by（）.