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Offline LisaS

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Question 8
« on: February 11, 2009, 09:13:35 AM »
QUESTION 8 
(a) State why it is important to ventilate a confined space when there has been a gas leak.
 
 
(2 marks)

(b) State TWO characteristics of a gas flame when the primary air is closed off.
 1
 2
(2 marks)

(c)   State TWO reasons for odourising natural gas or liquefied petroleum gas.
 1
 2
(1 mark)

(d)  Name the dangerous gas produced when there is incomplete combustion.
 
 
(1 mark)

(e) Name the TWO principle constituents of biogas.
 1
 2
(2 marks)
Total 8 marks

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