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

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

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

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

A salinity indicator is used to determine the （）.

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

Who is responsible for ensuring that someone is assigned to close the watertight doors in an emergency?（）

An excessive charge of refrigerant in an air-cooled refrigeration system can cause （）.

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