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NCIDQ EXAM – QUESTIONS WITH CORRECT SOLUTIONS
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NCIDQ EXAM – QUESTIONS WITH CORRECT SOLUTIONS
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NCIDQ EXAM – QUESTIONS WITH CORRECT SOLUTIONSMixing Box Right Ans - Connects to thermostat and adjusts quantity,
temperature, and velocity of air.
VAV Box Right Ans - Varies quantity of air. Consists of one duct in and one
or more ducts out.
Distance between window covering and glass to avoid heat build up. Right
Ans - 2"
Residential outlets spacing Right Ans - Min. 12' apart
Drapery linear yardage calculation Right Ans - Number of panels x cut
length divided by 36 in/yd
Drapery fabric width Right Ans - (Window width + stacking space +
return&overlap) x fullness factor
Drapery cut length (or height) Right Ans - Distance to rod + 18" allowance
for header and hem
Drapery number of panels Right Ans - Fabric width divided by panel with
(assume 54")
Wallpaper standard roll width Right Ans - 27"
Wallpaper standard roll square footage covered Right Ans - 36 SF of
coverage
Wallpaper double roll square footage coverage Right Ans - 72 SF covered
Wallpaper number of rolls formula Right Ans - (Total area covered + 20%
waste factor - area of doors and windows) / Area covered by one roll
Wallpaper strip method is used to calculate what? Right Ans - Number of
linear yard or cost per yard
, Wallpaper square footage method is used to calculate what? Right Ans -
Wallpaper sold by the roll
Formula for linear feet needed of wallpaper Right Ans - (Number of strips
needed x height of room) / divided by 3 ft per yard to convert
How to calculate the number of strips needed for wallpaper application
Right Ans - Total perimeter divided by the width of a roll
How do you calculate the modified ceiling height for a pattern repeat/ half
drop? Right Ans - Height/ distance is repeat, rounded up, then divided by
distance of repeat
Carpet roll width Right Ans - 12 ft or 4 square yards
How to calculate the area of carpet needed Right Ans - Total length of 12'
wide strips x 12'
How to calculate carpet on stairs Right Ans - (# of risers x riser ht)+(# of
treads x tread hot)+(1" per nosing) = total length; total length x width of stair;
divide by 9 to convert to yards
How many feet are in a yard Right Ans - 3 feet
How many square feet are in a square yard Right Ans - 9 square feet
Horizontal handrail extensions at egress stairs are not required in which
location? Right Ans - Continuous runs between floors
UCC (Universal Commercial Code) Assigns risk in what way? Right Ans - By
allowing FOB Delivery and FOB Factory
List sustainable floor materials Right Ans - Rubber, linoleum, cork,
bamboo, palm wood
Foil Backed gypsum board is for what application Right Ans - Vapor barrior
Water resistant GWB is for what application Right Ans - Behind tile
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