Answer to Question #44068 in Physical Chemistry for Zeph

Question

1. Explain the circumstances in which a staff alarm might be considered and the arrangements that you would incorporate within a staff alarm facility to ensure an adequate degree of safety for occupants of a multi-storey office building
2. Give a brief outline of the method of operation (not just what they do) of each of the following types of detector
I. Electronic fixed temperature/rate-of –rise heat detector
II. Ionisation chamber smoke detector
III. Optical smoke detector
IV. Carbon monoxide fire detector
V. Infra-red flame detector
VI. Ultra violet flame detector
a. Choose any four of the above devices and give at least two examples which
1. The detectors would be particularly suitable for the detection of fire
2. Unsuitable for installation (consideration should be given to factors that includes the likely nature of a fire, environmental considerations and fire safety objectives