Tool Safety and Work Practices

Who has a responsibility to establish safe working procedures?

Employers only
Tradespeople only
Government authorities
Tradespeople and employers (correct)

Why should floors be kept clean and dry?

To prevent fire hazards
To prevent electrical shock
To prevent accidental slips with or around dangerous hand tools (correct)
To prevent dust accumulation

What is a hazard of using a screwdriver as a chisel?

The tip of the screwdriver may break and fly, hitting the user or other employees (correct)
The screwdriver may rust
The screwdriver may overheat
The screwdriver may bend

Why should a wrench with sprung jaws not be used?

It may slip (B) Signup and view all the answers

What should be worn to protect against hazards when using portable power tools and hand tools?

Appropriate Personal Protective Equipment (PPE) (D) Signup and view all the answers

What should be done if a hazardous situation is encountered?

Bring it to the attention of the proper individual immediately (D) Signup and view all the answers

What is a requirement for electric tools?

They must have a three-wire cord with ground or be grounded, be double insulated, or be powered by a low-voltage isolation transformer (B) Signup and view all the answers

What is the advantage of double insulation in electric tools?

It provides an additional layer of protection in case of a malfunction (B) Signup and view all the answers

What should be worn when using electric tools?

Gloves and safety footwear (C) Signup and view all the answers

Where should electric tools be stored when not in use?

In a dry place (D) Signup and view all the answers

What should be avoided when using electric tools?

Using the tool in a damp or wet location (D) Signup and view all the answers

What should be considered when selecting an accessory for a power tool?

The manufacturer's recommendation and the accessory's specifications (A) Signup and view all the answers

What is the primary purpose of specifying the maximum safe speed for abrasive wheels?

To prevent the wheel from flying apart (C) Signup and view all the answers

What should you check before using a grinding machine?

The wheel guard is securely fitted and the work rest is properly adjusted (D) Signup and view all the answers

What is the correct direction of rotation for a grinding wheel?

Downwards towards the work rest (B) Signup and view all the answers

What is the purpose of the left-hand thread on the spindle?

To tighten the nuts anti-clockwise (A) Signup and view all the answers

Why should you not fit a wheel that is larger than the one designed to fit the machine?

It may cause the wheel to fly apart (C) Signup and view all the answers

What is critical to examine when working with grinding wheels?

Wheel speed, wheel rotation, and abrasives (C) Signup and view all the answers

What causes the abrasive particles to become blunt?

Cutting the hard material (C) Signup and view all the answers

What is the result of glazing on the grinding wheel?

The wheel loses its cutting efficiency (C) Signup and view all the answers

How can glazing be prevented?

By referring to the manufacturer's handbook and selecting a wheel with a softer grade of bond (C) Signup and view all the answers

What causes grooves on the surface of the wheel?

Applying too much pressure in one position (C) Signup and view all the answers

Why should the correct wheel be used for the material being ground?

To prevent loading and glazing conditions (C) Signup and view all the answers

What is the result of grinding on the outside edges of the wheel?

The wheel becomes curved and wears rapidly (D) Signup and view all the answers

What is a common problem in compressed air systems?

Water in the air (B) Signup and view all the answers

Why should compressed air guns never be pointed towards anyone?

To prevent injury from flying fragments (B) Signup and view all the answers

What can happen when moisture condenses in compressed air?

Sluggish tool operation and more frequent repair (B) Signup and view all the answers

Why is it important to distinguish compressed air pipes from other pipes?

To prevent misuse of compressed air (C) Signup and view all the answers

What can happen if moisture is left in compressed air lines exposed to cold weather?

The moisture freezes, obstructing air flow (C) Signup and view all the answers

Why should users never 'dead-end' an air gun against themselves or anyone else?

To prevent injury from the air gun (D) Signup and view all the answers