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NASCLA Books Combined | Contractor Exam Study Guide & Exam Prep

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NASCLA Books Combined | Contractor Exam Study Guide & Exam Prep

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NASCLA BOOKS COMBINED
When do you need a permit for a retaining wall - CORRECT ANSWER-When it is
over 4 feet tall

The building official may revoke a permit if - CORRECT ANSWER-it is issued in
error or in violation of an ordinance

Who can issue a notice of violation - CORRECT ANSWER-Building Department

Shear Wall resists - CORRECT ANSWER-Lateral pressure

What type of construction uses heavy timbers AND HIGHLIGHT
CONSTRUCTION TYPES - CORRECT ANSWER-type IV construction uses
heavy timbers - the exterior is made of non-combustible materials and the interior
of solid or laminated wood.

Headroom required in a multistory parking garage - CORRECT ANSWER-7 foot

IF you are operating a forklift in a warehouse building with steel columns. What is
the minimum height to fireproof the columns to protect them from impact? -
CORRECT ANSWER-5 feet

What must be the temperature when using Sprayed Fire resistant material
(SRFM). - CORRECT ANSWER-The temperature must be at least 40 degrees
for 24 hours

How high must parapet walls be - CORRECT ANSWER-Parapet walls must be at
least 30" above where the roof intersects the wall

What is the thickness of smoke barriers in steel group I-3 buildings - CORRECT
ANSWER-minimum 0.10 inch thickness

Shafts in building with more than ________ must have how many hours of fire
rating. - CORRECT ANSWER-4 stories : 2 hours




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137 - Table 716.6 - Fire window assembly fire protection ratings - CORRECT
ANSWER-Table 716.6 - Fire window assembly fire protection ratings

What is the fire rating on an 2 layers of 5/8" of gypsum board (drywall) -
CORRECT ANSWER-2 hours

143- table 716.6 - CORRECT ANSWER-143- table 716.6

What material do you use to fire protect steel columns - CORRECT
ANSWER-gypsum wallboard.

What is finished wood flooring permitted to be attached to - CORRECT
ANSWER-embedded or fire blocked wood sleepers

Can you occupy a structure or portion of a structure that has not been fire
protection systems - CORRECT ANSWER-No, it is unlawful

Where should alarm signals be automatically be transmitted to - CORRECT
ANSWER-approved supervising station

Where smoke alarms required, where should they get their power source from -
CORRECT ANSWER-primary power from the building wiring, should not have on
off switch and have a battery backup.

What is the maximum and minimum height for fire alarm boxes - CORRECT
ANSWER-top of box at 42" minimum and 48" maximum height from the floor.

What are the methods to supervise open backflow prevention valves -
CORRECT ANSWER-1. Central station/remote station signaling.
2. Local signaling that will cause the sounding of an audible signal at a
attendants location.
3. Locking valves open
4.sealing of valves and approved weekly recorded inspection.

What is the minimum egress height of a ceiling - CORRECT ANSWER-7 feet 6
inches.




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Maximum Floor area allowance per occupant - CORRECT ANSWER-100SF per
occupant

When Doors are fully opened shall not reduce the width by more than -
CORRECT ANSWER-7 inches

What is the length of time that an Emergency Power system illuminate for -
CORRECT ANSWER-90 minutes.

When must a building have an elevator - CORRECT ANSWER-When its more
than 3 stories high

What is the size of a refuge area for a wheel chair - CORRECT ANSWER-30" x
48".

All separation areas of refuge have to be separated by - CORRECT ANSWER-a
smoke barrier.

What is the minimum width of a door opening - CORRECT ANSWER-32"

The minimum height of interior door is - CORRECT ANSWER-80"

Which way must the doors swing open when serving a room or area containing
more than 50 occupants - CORRECT ANSWER-the doors must swing open in
the direction of egress

How much pressure for nonfire interior door to open - CORRECT ANSWER-5 lbs

What type of hardware is required on doors with occupant loads of more than 50.
- CORRECT ANSWER-PANIC hardware

Minimum headroom height for stairway - CORRECT ANSWER-6"8'

Maximum Riser height for stairway - CORRECT ANSWER-7"

What is the maximum height from the floor for Emergency Escape and rescue
opening sills - CORRECT ANSWER-44" above the floor




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Required number of Accessible parking spaces required for a 60 space lot -
CORRECT ANSWER-3 accessible spaces

Van Parking Spaces - CORRECT ANSWER-Must all be on one level

What percentage of the total air flow must be from the eaves - CORRECT
ANSWER-50- 60%

What is the spacing of fastenings(studs) for exterior metal siding - CORRECT
ANSWER-should be spaced 24" vertically or horizontally

Asphalt shingles Roof Slopes 2:12 - CORRECT ANSWER-need two plys of 15
pound felt

Asphalt shingles Roof Slopes 4:12 - CORRECT ANSWER-need one ply of 15
pound felt

Asphalt shingles Roof - CORRECT ANSWER-Type A and most fire resistant

319 - TABLE 1507.2.9.2 Valley Lining Material Thickness - CORRECT
ANSWER-319 - TABLE 1507.2.9.2 Valley Lining Material Thickness

326 - TABLES 1507.8.7 and 9.8 Wood Shingle and Shake Exposure Tables two
tables one for shakes and one for shingles - CORRECT ANSWER-326 - TABLES
1507.8.7 and 9.8 Wood Shingle and Shake Exposure Tables

What is the minimum slope for metal shingles - CORRECT ANSWER-3:12

What is the minimum slope for built up roofs - CORRECT ANSWER-¼: 12 (2%)
slope for drainage.

When is a geotechnical inspection required for backfilling a footing. - CORRECT
ANSWER-backfilling more than 12"under a footing.

The grade away from a building must be - CORRECT ANSWER-at least 5% for
at least 10 feet.




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