LOTO (Lockout Tagout) Quiz

Six questions to check your understanding of Lockout Tagout, a favourite safety interview topic.

6 questions 70% to pass Instant result

1What is the main purpose of LOTO?

ATo isolate energy so equipment cannot be switched on while people work on it BTo lock the site office at night CTo record worker attendance DTo test the electrical supply

Explanation: LOTO isolates electrical or mechanical energy so that work can be done safely.

2What must you have before applying LOTO and starting work?

AA valid work permit BA new set of tools CThe client's phone number DNothing, LOTO is enough

Explanation: You need a work permit and must inform your supervisor before work starts.

3Who should keep the key of a LOTO lock?

AThe person who applied the lock BThe site supervisor CAny electrician on site DThe security guard

Explanation: The key must stay with the person who applied the lock, never with someone else.

4Why is a multi-lock hasp used?

ASo each worker on the same line can apply their own lock BTo save money on locks CTo make the lock look bigger DSo one person can open all locks

Explanation: With a hasp, equipment cannot be energized until every worker has removed their own lock.

5What is written on a LOTO tag?

ADO NOT OPERATE, the worker's name, contact number and remarks BOnly the date CThe equipment price DNothing, tags are blank

Explanation: The tag tells others who is working, how to contact them and what has been switched off.

6Should one person work alone on an electrical line?

ANo, at least two people should work together BYes, if they are experienced CYes, at night only DIt does not matter

Explanation: For electrical work, at least two people should work together.

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