Other Skilled Trades Glazing

Question 1

What is the purpose of a setting block in glass installation?

Accepted Answer

To support glass weight and prevent direct frame contact

Answer

Setting blocks support the weight of the glass and keep it from resting directly on the frame, reducing concentrated stress at the bottom edge.

Question 2

What tool is used to score glass for cutting?

Accepted Answer

Glass cutter with a carbide wheel

Answer

A glass cutter with a carbide wheel scores the surface of the glass, creating a controlled fracture line that guides a clean break.

Question 3

Where is tempered glass required by US building codes?

Accepted Answer

Doors, windows near floors, shower enclosures, and other hazardous locations

Answer

Tempered glass is heat-treated safety glass required by codes in hazardous locations including doors, windows near floors, and shower enclosures because it breaks into small, less dangerous pieces.

Question 4

What minimum PPE is required when handling large glass sheets?

Accepted Answer

Cut-resistant gloves and safety glasses

Answer

Cut-resistant gloves and safety glasses are required when handling glass sheets to protect against lacerations and flying glass particles.

Question 5

What is the minimum required clearance between glass edges and the frame?

Accepted Answer

1/8 inch

Answer

A minimum 1/8 inch edge clearance is required around all sides to allow the glass to expand and contract without stressing the frame.

Other Skilled Trades Practice Test

Other Skilled Trades Practice Test

Other Skilled Trades Glazing