DHT PRACTICE TEST EXAM QUESTIONS AND ANSWERS
1
What is the typical anchor type used on a knocked-down drywall frame?
Multi-purpose
Compression
Wood Stud
Steel Stud - CORRECT ANSWER✅✅✅Compression
2
What is the rabbet dimension of an equal rabbeted frame for a 1-3/4-inch wood door?
1-15/16"
2-1/8"
1-3/16"
1-9/16" - CORRECT ANSWER✅✅✅1-15/16"
What is the maximum hourly fire rating available for a flush solid core wood door?
3 hour
60 minute
45 minute
90 minute - CORRECT ANSWER✅✅✅90 minute? (not 3 hours)
4
On a secure right hand swing opening, removable glazing bead on doors or sidelight frames should be
installed on the
Pull or push side
Corridor side of opening
Pull side of opening
Push side of opening - CORRECT ANSWER✅✅✅Pull side of opening
, Blast resistant doors ratings are measured in units of
PSI
Levels
Grades
PSL - CORRECT ANSWER✅✅✅not grades
6
According to SDI's publication, Recommended Selection and Usage Guide for Standard Steel Doors and
the below chart, what type hollow metal door would be required if the project called for Level 3, Model
2?
Extra Heavy Duty, 16 gauge, Seamless
Heavy Duty, 18 gauge, Full Flush
Standard Duty, 20 gauge, Seamless
Extra Heavy Duty, 16 gauge, Stile & Rail - CORRECT ANSWER✅✅✅Extra Heavy Duty, 16 gauge,
Seamless
When using an electric strike on a fire rated openings, the strike must be
Normally open
Fail secure
Fail open
Fail safe - CORRECT ANSWER✅✅✅Fail secure
In order to change higher AC voltage to a lower AC voltage you must use a
Rectifier
Power supply
Transformer
Switch - CORRECT ANSWER✅✅✅Power supply
1
What is the typical anchor type used on a knocked-down drywall frame?
Multi-purpose
Compression
Wood Stud
Steel Stud - CORRECT ANSWER✅✅✅Compression
2
What is the rabbet dimension of an equal rabbeted frame for a 1-3/4-inch wood door?
1-15/16"
2-1/8"
1-3/16"
1-9/16" - CORRECT ANSWER✅✅✅1-15/16"
What is the maximum hourly fire rating available for a flush solid core wood door?
3 hour
60 minute
45 minute
90 minute - CORRECT ANSWER✅✅✅90 minute? (not 3 hours)
4
On a secure right hand swing opening, removable glazing bead on doors or sidelight frames should be
installed on the
Pull or push side
Corridor side of opening
Pull side of opening
Push side of opening - CORRECT ANSWER✅✅✅Pull side of opening
, Blast resistant doors ratings are measured in units of
PSI
Levels
Grades
PSL - CORRECT ANSWER✅✅✅not grades
6
According to SDI's publication, Recommended Selection and Usage Guide for Standard Steel Doors and
the below chart, what type hollow metal door would be required if the project called for Level 3, Model
2?
Extra Heavy Duty, 16 gauge, Seamless
Heavy Duty, 18 gauge, Full Flush
Standard Duty, 20 gauge, Seamless
Extra Heavy Duty, 16 gauge, Stile & Rail - CORRECT ANSWER✅✅✅Extra Heavy Duty, 16 gauge,
Seamless
When using an electric strike on a fire rated openings, the strike must be
Normally open
Fail secure
Fail open
Fail safe - CORRECT ANSWER✅✅✅Fail secure
In order to change higher AC voltage to a lower AC voltage you must use a
Rectifier
Power supply
Transformer
Switch - CORRECT ANSWER✅✅✅Power supply
