Welcome to the 'Specialists - HVACR - Refrigeration and Air Conditioning'
This practice test will select 10 random questions, which you will be expected to complete within the allocated 10 minute time limit. You will be shown correct and incorrect answers at the end of the quiz.
Each question is representative of the type used in the Specialists Test.
Instructions:
- The test will begin after you select the 'Start Quiz' button below.
- For each question, choose from the multiple choice answers provided.
- Some questions may have more than one answer, a note will be displayed when to do this.
- After the last question, click 'Submit' to be shown your results.
Ready? Click 'Start Quiz' to begin.
When working on refrigeration systems that contain hydrocarbon gases, what particular hazard must be taken into account?
When work is taking place inside a riser, what system should be used to control access?
Why do oxygen cylinders have to be handled with particular care?
What protective device should be fitted between the hoses or pipes and the gauges on oxyacetylene brazing equipment?
A refrigerant leak has been reported in an enclosed area. Before entering, what should you do first?
When organising a lifting operation, how should the sequence of tasks for carrying out the lift safely be set out?
Why is oxygen never to be used for pressure testing?
Where should LPG cylinders be positioned when they are supplying an appliance in a site cabin?
Who is permitted to carry out installation, servicing, or maintenance work on systems that contain, or are intended to contain, refrigerant gases?