Which of the following problems could cause the high pressure cutout switch to shut down the compressor in a refrigeration system?（）

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

If the suction pressure at the refrigeration compressor is below normal, the cause can be（）.

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 general purpose of a heat exchanger is to （）.

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

The temperature differential occurring between the inlet temperature of the fluid to be cooled and the outlet temperature of the cooling medium in a shell-and-tube heat exchanger is greatest in which of the flow designs listed?（）

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

A salinity indicator is used to determine the （）.

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