Refrigerants

Any substance or body that acts as a cooling agent by absorbing heat from another substance or body is called a (a)   .

Another term used when referring to a “primary refrigerant” is a direct (a)   refrigerant.

Being easily detectable when leak testing, having a low boiling point and a low compression ratio are all (a)   properties of a good refrigerant.

Refrigerants are classified according to their (a)   content and composition.

The number, colour code, chemical name and chemical formula are usually placed on refrigerant cylinders to (a)   them.

Refrigerants are given (a)   numbers, which are used to assist in the identification process.

Refrigerant cylinders must never be stored in an area with a temperature (a)   52°C.

(a)   cylinders are easily recognised by their yellow shoulders and grey body.

The only type of storage cylinder which is not made of steel is the (a)   one.

What does the abbreviation O.D.P. stand for with relation to the preservation of the atmosphere?

(a)