NASCLA Accredited Exam - JJ Johnson Contractor
Seminar ACTUAL EXAM 2025 TEST COMPREHENSIVE
QUESTIONS AND VERIFIED ANSWERS (DETAILED &
ELABORATED) 100% SOLVED 2025!!
What are 4 types of Steel Decking? - (ANSWER)Composite, Roof, Cellular, and
Form
What are the lengths of Full sheets of Steel Decking? - (ANSWER)12", 18", 24",
30", or 36". All are usually less than 40"
Who has full responsibility for Safety on a construction site? - (ANSWER)The
prime contractor
Who is responsible to ensure workers have appropriate eye protection? -
(ANSWER)The employer
Safety belt lanyard shall be a minimum of? - (ANSWER)1/2 inch nylon, w/ max
length to provide for a fall of no greater than 6ft. The rope shall have a nominal
breaking strength of 5,400 lbs.
When should safety nets be provided? - (ANSWER)When workplaces are more
than 25 feet above ground or water surface or where use of ladders, scaffolds,
catch platforms, temporary floors, safety lines, or safety belts are impractical
,What are the different types of Safety Equipment? - (ANSWER)Head, Eye and
Face, and Respiratory protection. Safety belts, lifelines, lanyards, and safety nets
Where should quantities of flammable liquid in excess of 25 gallons be stored in
that is acceptable or approved? - (ANSWER)Acceptable wooden storage and
Approved metal storage cabinets. Cabinets shall be labeled in conspicuous
lettering "Flammable-Keep Away from Open Flames"
LP-Gas storage outside of buildings for containers waiting use shall be located
from the nearest building or group of buildings in accordance to? - (ANSWER)1.
500 lbs or less - 0ft
2. ***501 to 6,000 lbs - 10ft
3. 6,001 to 10,000 lbs - 20ft
4. Over 10,000 lbs - 25ft
Clearance and mounting of temporary heating devices are? - (ANSWER)1. Room
heater, circulating type - 12" sides, 12" rear, 18" chimney connector
2. ***Room heater, radiant type - 36" sides, 36" rear, 18" chimney connector
How far shall heaters used in the vicinity of the combustible tarpaulins, canvas, or
similar coverings be located from the coverings? - (ANSWER)10 feet from
coverings
Material stored inside buildings under construction shall not be placed with what
distances? - (ANSWER)6 feet of any hoistway or inside floor openings, ***not
,within 10 feet of exterior wall which does not extend above the top of the
material stored
Bagged materials shall be stacked by stepping back the layers and cross-keying
the bags at least by how many bags high? - (ANSWER)10 bags high
Brick stacks shall not be more than? - (ANSWER)7 feet in height
When a loose brick stack reaches a height of 4 feet, it shall be tapered back by
how many inches? - (ANSWER)2 inches in every foot of height above the 4-foot
level
When masonry blocks are stacked higher than 6 feet, the stack shall be tapered
back how far? - (ANSWER)Back one-half block per Tier above the 6-foot level
Used lumber shall have what withdrawn before stacking? - (ANSWER)Nails
How shall lumber be stacked? - (ANSWER)On level and solid supported sills, and
stable and self supporting
Lumber piles shall not Exceed? - (ANSWER)20 feet in height provided that lumber
to be handled manually shall not be stacked more than 16 feet high
, Wire rope shall not be used if? - (ANSWER)In any length of eight diameters, the
total number of visible broken wires exceeds 10 percent of the total number of
wires, or if rope shows other signs of excessive wear, corrosion, or defect
Waste materials - when materials are dropped more than 20 feet to any point
lying outside the exterior walls of the building what is needed? - (ANSWER)An
enclosed chute of wood, or equivalent material, shall be used. Enclosed chute is a
slide, closed in on all sides, through which material is moved from a high place to
a lower one
All other hand-held powered tools such as circular saws, chain saws, and
percussion tools without positive accessory holding means, shall be equipped
with what? - (ANSWER)A constant pressure switch that will shut off the power
when the pressure is released
Compressed air shall not be used for cleaning purposes except when? -
(ANSWER)Where reduced to less than 30 p.s.i and then only with effective chip
guarding and personal protective equipment which meets the requirements. The
30 psi requirement does not apply for concrete form, mill scale and similar
cleaning purposes
Who shall be allowed to operated a powder-actuated tool? - (ANSWER)Only
employees who have been trained in the operation of the particular tool in used
All employees using abrasive wheels shall be protected by? - (ANSWER)Eye
protection equipment
Seminar ACTUAL EXAM 2025 TEST COMPREHENSIVE
QUESTIONS AND VERIFIED ANSWERS (DETAILED &
ELABORATED) 100% SOLVED 2025!!
What are 4 types of Steel Decking? - (ANSWER)Composite, Roof, Cellular, and
Form
What are the lengths of Full sheets of Steel Decking? - (ANSWER)12", 18", 24",
30", or 36". All are usually less than 40"
Who has full responsibility for Safety on a construction site? - (ANSWER)The
prime contractor
Who is responsible to ensure workers have appropriate eye protection? -
(ANSWER)The employer
Safety belt lanyard shall be a minimum of? - (ANSWER)1/2 inch nylon, w/ max
length to provide for a fall of no greater than 6ft. The rope shall have a nominal
breaking strength of 5,400 lbs.
When should safety nets be provided? - (ANSWER)When workplaces are more
than 25 feet above ground or water surface or where use of ladders, scaffolds,
catch platforms, temporary floors, safety lines, or safety belts are impractical
,What are the different types of Safety Equipment? - (ANSWER)Head, Eye and
Face, and Respiratory protection. Safety belts, lifelines, lanyards, and safety nets
Where should quantities of flammable liquid in excess of 25 gallons be stored in
that is acceptable or approved? - (ANSWER)Acceptable wooden storage and
Approved metal storage cabinets. Cabinets shall be labeled in conspicuous
lettering "Flammable-Keep Away from Open Flames"
LP-Gas storage outside of buildings for containers waiting use shall be located
from the nearest building or group of buildings in accordance to? - (ANSWER)1.
500 lbs or less - 0ft
2. ***501 to 6,000 lbs - 10ft
3. 6,001 to 10,000 lbs - 20ft
4. Over 10,000 lbs - 25ft
Clearance and mounting of temporary heating devices are? - (ANSWER)1. Room
heater, circulating type - 12" sides, 12" rear, 18" chimney connector
2. ***Room heater, radiant type - 36" sides, 36" rear, 18" chimney connector
How far shall heaters used in the vicinity of the combustible tarpaulins, canvas, or
similar coverings be located from the coverings? - (ANSWER)10 feet from
coverings
Material stored inside buildings under construction shall not be placed with what
distances? - (ANSWER)6 feet of any hoistway or inside floor openings, ***not
,within 10 feet of exterior wall which does not extend above the top of the
material stored
Bagged materials shall be stacked by stepping back the layers and cross-keying
the bags at least by how many bags high? - (ANSWER)10 bags high
Brick stacks shall not be more than? - (ANSWER)7 feet in height
When a loose brick stack reaches a height of 4 feet, it shall be tapered back by
how many inches? - (ANSWER)2 inches in every foot of height above the 4-foot
level
When masonry blocks are stacked higher than 6 feet, the stack shall be tapered
back how far? - (ANSWER)Back one-half block per Tier above the 6-foot level
Used lumber shall have what withdrawn before stacking? - (ANSWER)Nails
How shall lumber be stacked? - (ANSWER)On level and solid supported sills, and
stable and self supporting
Lumber piles shall not Exceed? - (ANSWER)20 feet in height provided that lumber
to be handled manually shall not be stacked more than 16 feet high
, Wire rope shall not be used if? - (ANSWER)In any length of eight diameters, the
total number of visible broken wires exceeds 10 percent of the total number of
wires, or if rope shows other signs of excessive wear, corrosion, or defect
Waste materials - when materials are dropped more than 20 feet to any point
lying outside the exterior walls of the building what is needed? - (ANSWER)An
enclosed chute of wood, or equivalent material, shall be used. Enclosed chute is a
slide, closed in on all sides, through which material is moved from a high place to
a lower one
All other hand-held powered tools such as circular saws, chain saws, and
percussion tools without positive accessory holding means, shall be equipped
with what? - (ANSWER)A constant pressure switch that will shut off the power
when the pressure is released
Compressed air shall not be used for cleaning purposes except when? -
(ANSWER)Where reduced to less than 30 p.s.i and then only with effective chip
guarding and personal protective equipment which meets the requirements. The
30 psi requirement does not apply for concrete form, mill scale and similar
cleaning purposes
Who shall be allowed to operated a powder-actuated tool? - (ANSWER)Only
employees who have been trained in the operation of the particular tool in used
All employees using abrasive wheels shall be protected by? - (ANSWER)Eye
protection equipment
