NCARB PDD Practice Exam | Verified Exam Questions and Answers |
Latest Updated Study Material 2026
Question:
1. Angle of Photo-
voltaic Array
Answer:
Optimal tilt angle:
Wintertime, add 15 degrees to the latitude
Summertime, subtract 15 degrees from the latitude
Question:
2. Steel Arch Shoe
Answer:
Must be provided with a drain slot in order to minimize moisture buildup.
Question:
3. What does the
shading coeffi-
cient of glass rep-
resent?
Answer:
The ratio of solar heat gain through the glass from radiation.
Question:
4. How does a de-
crease in shading
coefficient affect
heat gain?
Answer:
Reduction in heat gain, impacting the design of the mechanical system.
Question:
5. Cavity between
the sill plate and
top plates of the
, furring wall
Answer:
Between the foundation wall and the furring wall there is a cavity with an opening
at the top between the sill plate and the top plates of the furring wall. A plywood
block is installed at the top opening to serve as a fire block to prevent the spread
of fire from the floor joist/floor system.
Question:
6. Location of Cir-
cuit Vent Connec- the next downstream fixture can function as a point of vent connection for all three
tion
Answer:
Only the length of the drainage pipe between the last fixture in the sequence and
ware)
Question:
7. Ground Source
Answer:
Heat Pump
Question:
8. Rim Exit Devices
Answer:
(with panic hard-
sinks.
A heating/cooling system for
buildings that use a type of
heat pump to transfer heat to
or from the ground, taking
advantage of the relative
constancy of temper-atures of
the earth through the
seasons.
Used for a single door when
the occupant load exceeds a
certain threshold,determined
by reviewing the building code
(Chapter 10)
Latest Updated Study Material 2026
Question:
1. Angle of Photo-
voltaic Array
Answer:
Optimal tilt angle:
Wintertime, add 15 degrees to the latitude
Summertime, subtract 15 degrees from the latitude
Question:
2. Steel Arch Shoe
Answer:
Must be provided with a drain slot in order to minimize moisture buildup.
Question:
3. What does the
shading coeffi-
cient of glass rep-
resent?
Answer:
The ratio of solar heat gain through the glass from radiation.
Question:
4. How does a de-
crease in shading
coefficient affect
heat gain?
Answer:
Reduction in heat gain, impacting the design of the mechanical system.
Question:
5. Cavity between
the sill plate and
top plates of the
, furring wall
Answer:
Between the foundation wall and the furring wall there is a cavity with an opening
at the top between the sill plate and the top plates of the furring wall. A plywood
block is installed at the top opening to serve as a fire block to prevent the spread
of fire from the floor joist/floor system.
Question:
6. Location of Cir-
cuit Vent Connec- the next downstream fixture can function as a point of vent connection for all three
tion
Answer:
Only the length of the drainage pipe between the last fixture in the sequence and
ware)
Question:
7. Ground Source
Answer:
Heat Pump
Question:
8. Rim Exit Devices
Answer:
(with panic hard-
sinks.
A heating/cooling system for
buildings that use a type of
heat pump to transfer heat to
or from the ground, taking
advantage of the relative
constancy of temper-atures of
the earth through the
seasons.
Used for a single door when
the occupant load exceeds a
certain threshold,determined
by reviewing the building code
(Chapter 10)
