Chapter 114

Question 0

The property which has to be known for the calculation of the size of control valve and piping etc, is:

Answer 0

Density.

Question 1

The ideal commercial refrigerant should:
A) have a low latent heat capacity
B) have a high boiling point
C) have high condensing pressure
D) be environmentally friendly
E) be the least costly

Answer 1

D) be environmentally friendly

Question 2

Which of the following is not a physical property of refrigerants?
A) toxicity
B) odour
C) leakage tendency
D) corrosivity
E) miscibility

Answer 2

D) corrosivity

Question 3

In which Canadian publication are refrigerants officially classified according to their toxicity and flammability?

Answer 3

CSA - B52 - 05 Mechanical Refrigeration Code