Other Skilled Trades Glazing 3

Question 1

How must broken glass be disposed of on a job site?

Accepted Answer

In designated glass or sharps containers

Answer

Broken glass must be placed in designated glass or sharps containers to prevent injuries to workers and waste handling personnel.

Question 2

What is the minimum glass bite (engagement in the frame rabbet) for standard residential glass?

Accepted Answer

3/8 inch

Answer

Standard residential glass installation requires a minimum 3/8 inch bite—the amount of glass captured within the frame rabbet—for a secure hold.

Question 3

What does the U-factor measure in window performance ratings?

Accepted Answer

Rate of heat transfer through the entire window assembly

Answer

U-factor measures the rate of heat transfer through a window; a lower U-factor indicates better thermal insulation performance.

Question 4

What type of glass is required for doors in commercial buildings per building codes?

Accepted Answer

Tempered or laminated safety glass

Answer

Commercial building codes require tempered or laminated safety glass in all doors to minimize the risk of serious injury if the glass breaks.

Question 5

What are glazier's points used for?

Accepted Answer

Holding glass in the frame before putty is applied and cures

Answer

Glazier's points are small metal fasteners pushed into the wooden sash frame to hold the glass securely in place while the glazing compound cures.

Other Skilled Trades Practice Test