1) What is the main purpose of safe isolation procedures for electrical systems? a) To ensure there is enough power supply b) To prevent accidental re-energising of the system, ensuring the safety of those carrying out the work c) To check the quality of the wires d) To enhance the speed of work 2) Why is it important to follow safety isolation procedures when working on gas supplies? a) To ensure there is no leakage of gas, which could lead to fire or explosion b) To ensure there is a constant gas supply c) To test the quality of gas d) To reduce the cost of work 3) What is the first step in a typical safe isolation process of a water supply? a) Opening all the taps b) Cutting the water pipes c) Shutting off the supply from the main valve d) Removing the water meter 4) When you're going to perform a task requiring the isolation of power, it is best practice to: a) Just turn off the switches from the circuit breaker b) Notify relevant parties, isolate the power supply, lock and tag the isolator, and then test to confirm isolation c) Work with the power on to reduce downtime d) Ask someone else to do it 5) In the event of a suspected gas leak in a building, the first course of action should be: a) To isolate the gas supply immediately and evacuate the building b) To light a match to verify if there is a leak c) To continue working and investigate the leak later d) To cover the smell with air freshener

01 (Safe Isolation)

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