Question 4
(a) List four safety wears found in a refrigeration and airconditioning workshop.
(b) Define the following terms:
(i) temperature;
(ii) latent heat;
(iii) sensible heat.
(c) Sketch a Fahrenheit scale thermometer and indicate the freezing and boiling points of water.
Observation
- The candidates were able to identify and distinguish between concepts, they identified the right safety wears. They were able to define the terms and also gave a good representation of the Fahrenheit scale thermometer.