4 Explain the difference between ‘vapour
pressure’ and ‘vapour density’.
5 Explain why , when considering the hazards
associated with a vapour or gas, the density of
the vapour or gas is important.
6 (a) Identify FOUR hazards associated with
refrigerants.
(b) Give TWO control measures relating to
refrigerants.
Chapter 3 questions:
7 Identify the FIVE steps involved in undertaking
a risk assessment.
8 Explain the concept of ALARP.
9 (a) Explain what a HAZOP is.
(b) Identify who might be included in a
HAZOP team and give the reason why
they should be included.
10 There are a number of principles involved in
inherent safe and risk-based design concepts.
Give FOUR examples