CSCS Tools and Equipment Safety 3

Question 1

What is the purpose of locking out and tagging out (LOTO) machinery before maintenance?

Accepted Answer

To prevent others from using the machinery while it is being serviced, avoiding accidental start-up

Answer

To record the maintenance schedule

Answer

To indicate that the machine has been cleaned

Answer

To restrict access to senior engineers only

Question 2

Which of the following actions should you take if you find an electrical cable that has been damaged?

Accepted Answer

Isolate the power supply and report it immediately

Answer

Repair it with electrical tape and continue work

Answer

Ignore it if the damage looks minor

Answer

Cover it with a rubber mat and carry on

Question 3

What does 'double insulation' on a power tool mean?

Accepted Answer

The tool has two independent layers of insulation so no earth wire is needed

Answer

The tool has two layers of plastic casing for waterproofing

Answer

The tool is reinforced for heavy-duty use

Answer

The tool can operate at twice the normal voltage

Question 4

When using a grinder on a construction site, which piece of PPE is most important to protect your face?

Accepted Answer

Face shield or safety goggles

Answer

Hard hat

Answer

Dust mask only

Answer

Hearing protection only

Question 5

What is the purpose of a tool box talk (TBT) before starting a task on a construction site?

Accepted Answer

To brief workers on hazards, safe methods, and PPE requirements for the specific task

Answer

To distribute tools to workers

Answer

To conduct a formal written risk assessment

Answer

To record overtime hours

Question 6

What should you do before adjusting or changing accessories on a power tool?

Accepted Answer

Disconnect the tool from the power supply

Answer

Reduce the speed setting first

Answer

Put on thicker gloves

Answer

Ask a supervisor to supervise you