C17 - Glazing Contractor Test 1
For air-tight construction, the sound reduction of glass will _____ with glass thickness and _____ as the
area increases.
increase ... decrease
A contractor applied double-backed tape for a mirror directly to the wall. The tape was applied
vertically, and t...
C17 - Glazing Contractor Test 1
For air-tight construction, the sound reduction of glass will _____ with glass thickness and _____ as the
area increases.
increase ... decrease
A contractor applied double-backed tape for a mirror directly to the wall. The tape was applied
vertically, and the top of each strip was trimmed square. The contractor proceeded:
incorrectly: The top of each strip should be trimmed to a point so condensation will be less likely to
condense on the upper edge of the tape.
Brainpower
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When grinding a mirror, at what angle do you hold the belt sander for the first pass?
15 degrees
The floor line across the full width of a door opening should be level to within what tolerance?
1/16 inch
What should the durometer (hardness) reading be for a setting block?
Shore A 85 + 5
Hardness is measured as the ability of a material to resist penetration by a blunt probe. The instrument
used is called a durometer. "Shore A" is a type of durometer made by the Shore Instrument Company
with a scale of 0 (no resistance to penetration) to 100 (complete resistance to penetration).
The total of the following numbers 8 5/8", 6 1/4", 7 3/16", and 5 1/4" is _________.
27 5/16"
Lowest common denominator is 16.
Which of the following statements is NOT true regarding the formation of condensation?
curtains or drapes help prevent condensation on glass
outswing casement
The most effective way to protect window systems from water penetration is:
, to provide a pressure-equalized design
The twisting (rotation) of horizontal framing members due to weight of glass should not exceed:
1°
The minimum length of setting blocks for curtain walls should be:
4 inches
When mounting a mirror on painted plywood:
use clips and two-way tape
Setting blocks for curtain walls should be _____ less than the full width of the rabbet.
1/16 inch
You are using a torque wrench to install fasteners that hold down insulating glass. The maximum edge
pressure that can be applied to the glass to achieve a weather-tight seal should be less than:
10 lb/linear inch
In general, a dense wedge gasket would not be found in which of the following glazing systems?
wet
You are installing a mirror on a closet door using tape and adhesive. What should you use if the mirror
does not hang properly and must be removed?
piano wire
Piano wire can be used to cut the mirror away from the door.
When finishing a mirror, what polish should you use?
0000 steel wool instead of polish
According to the Building Code, the area of a single pane of plastic glazing in unprotected openings
above the first story must not be greater than _____ unless protected by an approved automatic
sprinkler system.
16 square feet
Openings in doors through which a _____ sphere CANNOT pass are exempt from the hazardous
location regulations codes.
3 inch
sheet-metal screw
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