A salinity indicator is used to determine the （）.

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 major source of chemical contaminants in hydraulic fluid is （）.

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

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

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

If the head pressure of a reciprocating refrigeration compressor is excessive, （）.

Which of the listed pumps is NOT a positive displacement pump?（）

Which of the following statements is correct concerning heat transfer?（）

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