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DHT EXAM STUDY |127 QUESTIONS | WITH COMPLETE ANSWERS!!
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DHT EXAM STUDY |127 QUESTIONS | WITH COMPLETE ANSWERS!!
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DHT EXAM STUDY |127QUESTIONS | WITH
COMPLETE ANSWERS!!
DHT
Evatee 7/8/24 DHT
,DHT EXAM STUDY |127 QUESTIONS | WITH
COMPLETE ANSWERS!!
Right hand door closers can be installed on either;
•Right-hand or right-hand reverse doors
•Left-hand or left-hand reverse doors
•Left-hand or right-hand reverse doors
•Right-hand or left-hand reverse doors Answer - Right-hand or left-hand
reverse doors
What exit device configuration is the most secure on paired openings? Answer
- Rim x rim x removable mullion
What is the maximum degree of opening swing for an overhead stop? Answer -
110 Degrees
What type of closer is surface mounted to the face of the frame on the push
side of the opening? Answer - Top jamb door closer
How many butt hinges are required on a 92" tall door? Answer - 4
Backcheck and closing speeds on a door closer are controlled with? Answer -
Fluid
, Which of the following auxiliary hardware items are NOT permitted to be
installed on swinging fire door assemblies?
•Labeled door viewers
•Kick down door stops
•Protection plates
•Door guards Answer - Kick down door stops
What closer feature slows and cushions the door leaf during the full opening
cycle?
•Backcheck
•Positive Stop
•Delayed Action
•Back stop Answer - Backcheck
How many silencers are required for a pair of doors installed in a hollow metal
frame? Answer - 2
Where panic or fire rated hardware is specified, the actuating portion of the
device rail must be at least... Answer - Half the width of the door
Non-rated protection plates may be installed on fire rated doors provided they
are flush to the bottom of the door and do NOT exceed Answer - 16" high
What image depicts a door closer mounted in the parallel arm configuration?
Answer - C
What image depicts a door closer mounted in the regular arm configuration?
Answer - A
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