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NCIDQ – QUESTIONS & DETAILED ANSWERS
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NCIDQ – QUESTIONS & DETAILED ANSWERS
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NCIDQ – QUESTIONS & DETAILED ANSWERSHow many sf per occupant can you have for a B occupancy? Right Ans - 100
How many occupants in a B occupant space require two exits? Right Ans -
50
How many feet of common path of travel require two exits? Right Ans - 75,
unless the building is sprinkled, than 100.
What is the occupant load requiring 3 exits? Right Ans - 501-1000.
the distance a person must travel from the most remote point in the exit
access to the entrance to the nearest exit. Right Ans - Exit access travel
distance
Exit access travel distance for occupancy A Right Ans - 200 w/o sprinkler,
250 w/ sprinkler
Exist access travel distance for occupancy B Right Ans - 200 w/o sprinkler,
300 w/ sprinkler
Multiply occupant load by .2 for unsprinkled, and .15 for sprinkled. Right
Ans - How do you calculate minimum exit width for egress components other
than stairs?
How do you calculate minimum exit width for stair egress? Right Ans -
Multiply occupant load by .3 for unsprinkled and .2 for sprinkled.
What is the door rating for a 2 hour wall? Right Ans - 1 1/2 hours
Can wood frames be used in a rated assembly? Right Ans - Yes, only in a 20
mn door rating.
What is the rating of a stair exit enclosure? Right Ans - 2 hours. (The doors
must be HM).
All Glass over what height must be safety glass? Right Ans - 60"
, All glass closer than what distance must be safety glass? Right Ans - 24"
Does glass with a chair rail need to be safety glass? Right Ans - No, as long
as the chair rail is 1.5" high, and 34-38" AFF.
What is the maximum spacing for a sprinkler heads? Right Ans - 15' for
light hazard.
. What is the test for a flame against full upholstered furniture. Right Ans -
NFPA 266, CAL TB 133
What is an acknowledgement? Right Ans - It is a confirmation sent from the
manufacturer to the designer to confirm and indicate how they interpreted
the PO.
. What is the purpose of modacrylic fabric? Right Ans - have the strength
and sun resistance properties of acrylic, but much better resistance to heat
and flame
Sound Transmission Class, used to rate the transmission loss of construction.
Right Ans - What is STC?
Noise Reduction co-efficient. Materials absorption rating at 4 different
frequencies. Right Ans - What is NRC?
Impact Insulation Class. Used to measure impact sounds from floor to ceiling-
below transmissions. Right Ans - What is IIC?
Methamine Pill Test, All carpets sold in America must meet this standard.
Right Ans - ASTM 2859
Room corner test, for textile wallcoverings, near-full scale room. NFPA 256,
pass or fail Right Ans - ASTM 256
Assembly Test, for walls, floor, ceilings. Right Ans - ASTM E 119
Flooring Radiant Panel Test, for flooring to limit progression of a fully
developed fire in a corridor. Right Ans - ASTM E 648
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