Gas Fitter Practice Test

What safety measure should be taken when working with gas appliances?

1. A. Ensure proper ventilation

2. B. Always use a lighter in confined spaces

3. C. Unplug appliances before working

4. D. Use water for fire control

The correct answer is: A. Ensure proper ventilation

Ensuring proper ventilation is a crucial safety measure when working with gas appliances because it helps to prevent the accumulation of potentially harmful gases, such as carbon monoxide, which can be produced during the operation of gas-powered equipment. Adequate ventilation allows fresh air to circulate and dilutes any gas leaks, reducing the risk of fire or explosion. Additionally, proper ventilation is essential for maintaining safe levels of oxygen in the environment, enabling safe operation of the appliance and the safety of the individual performing the work. The other options lack safety effectiveness in this context. Using a lighter in confined spaces poses an obvious fire hazard. Unplugging appliances may be more relevant to electrical devices, while using water for fire control is not advisable for gas fires, as it may exacerbate the situation or spread the fire if gas is still leaking.