NASCLA Final Practice
Exam Questions and
Complete Solutions
Graded A+
As part of housekeeping, combustible scrap and debris on a jobsite must be ______ at regular intervals
during construction. - Answer: Removed
The contents of the jobsite first aid kit must be in individually sealed package, and be checked by the
employer at least ______ on each job to ensure expiration dates have not expired. - Answer: Weekly
If 25 jobsite employees are present on a jobsite, what toilet facilities must be provided? - Answer: 1
toilet seat and 1 urinal
Employees are limited to a maximum exposure time of _____ hours for noise up to 95 dba. - Answer: 4
An employee is exposed to the following noise levels
throughout their day. Are they over the permissible exposure limit: 110 dba for ¼ hour + 105 dba for ½
hour + 95 dba for 3 hours? - Answer: Yes (combined total of 1.75 limit)
Illumination measured in foot-candles in general construction areas should, at the minimum be: -
Answer: 3 foot-candles
All employees working in areas where there is a possible danger of head injury from falling to flying
objects to electrical shock and burns must wear: - Answer: Protective helmets
,Who is responsible for providing each employee with head protection that meets the specification
contained in any of the consensus American National
Standards Institute (ANSI standards? - Answer: Employer
When employees are to be exposed to eye and face hazards from flying particles, molten metal, liquid
chemicals, acids or caustic liquids, etc. the employer must provide: - Answer: Eye and face protection
A safety belt lanyard must be a minimum of ________ Or equivalent, with a maximum length to provide
for a fall of no greater than 6 feet. - Answer: 1/2 inch nylon
Nets need to extend how far beyond the edge of the work surface where employees are exposed to a
danger of falling? - Answer: 8 feet
What can be substituted for a fire extinguisher having a 2A
rating? - Answer: One 55 gallon open drum of water with two fire pails
For Class B fires (flammable liquids, gasoline, oil, paints, grease, etc.) all of the following type of
extinguishers are allowed except: - Answer: Soda acid
Where should quantities of flammable liquid in excess of 25 gallons be stored? - Answer: In an
acceptable or approved cabinet
Not more than 60 gallons of Category 1, 2, and/or 3 flammable liquid or ________ gallons of Category 4
flammable liquid must be stored in any one storage cabinet. - Answer: 120
When using heaters in confined spaces, care needs to be taken to provide _______ in order to ensure
proper safety. - Answer: Sufficient ventilation
The minimum clearances for a radiant type room heater for
sides and rear is: - Answer: 36
,Heaters used near combustible tarpaulins, canvas, or similar coverings need to be located at least how
far from the coverings? - Answer: 10 feet
With general requirement for storage, materials stored inside buildings under
construction must not be placed within ______ of any hoistway or inside floor openings. - Answer: 6 feet
________ must be stacked by stepping back the layers and cross-keying the bags at least every 10 bags
high. - Answer: Bagged materials
When a loose brick stack reaches a height of ______ for safety it shall be
tapered back 2 inches in every foot of height above the 4-foot level. - Answer: 4 feet
When masonry blocks are stacked higher than 6 feet, the stack must be tapered back _______ block per
tier above the 6-foot level. - Answer: 1/2
Used lumber must have all ______ withdrawn before stacking. - Answer: Nails
Lumber piles must NOT exceed _______ ft in height provided that lumber to be handled manually is not
stacked more than 16 ft high. - Answer: 20
Rigging equipment for material handling needs to be inspected prior to use on each shift and as
necessary during use to ensure that it is ________. - Answer: Safe
An enclosed chute must be used whenever materials are dropped more than ________ to any point
lying outside the exterior walls of the building. - Answer: 20 feet
The area onto which material can be dropped when debris is dropped through holes in a floor without a
chute needs to be completely enclosed with barricades NOT less than __________ high and NOT less
than _________ back from the projected edge of the opening above. - Answer: 42 inches | 6 feet
Rubbish must be ______ from the immediate work area as the work progresses. - Answer: Removed
, All of the following must be kept in a fire resistant covered container until removed from the worksite
except: - Answer: Scrap lumber
When power operated tools are designed with guards, they __________ be equipped with such guards
when in use. - Answer: Should always
Point of operation guarding is: - Answer: The area where work is actually performed
All the following hand-held powered tools must be equipped with only a positive "on-off" control
except: - Answer: Angle grinders with wheels greater than 2 inches in diameter
Electric power operated tools must be the approved double-insulated type or __________. - Answer:
Grounded
All pneumatically driven nailers, staplers, etc. operating at more than 100 p.s.i. must have a safety
device on the ________ to prevent the tool from ejecting fasteners. - Answer: Muzzle
Compressed air for cleaning purposes must NOT be used except for where the air is reduced to less than
30 p.s.i., use with effective chip guarding, and _________ - Answer: Wearing PPE
Who should be allowed to operate a power-actuated tool? - Answer: Trained employees
Both the __________ and bench mounted abrasive wheels used for external grinding must be provided
with safety guards and protection hoods. - Answer: Floor stand
The maximum angular exposure of the grinding wheel periphery and sides must NOT be more than
_________ except when work requires contact with the wheel below the horizontal plane of the spindle.
- Answer: 90 degrees
___________, which are adequate eye protection, can often be permanently attached to the bench or
floor stand. - Answer: Eye shields
Exam Questions and
Complete Solutions
Graded A+
As part of housekeeping, combustible scrap and debris on a jobsite must be ______ at regular intervals
during construction. - Answer: Removed
The contents of the jobsite first aid kit must be in individually sealed package, and be checked by the
employer at least ______ on each job to ensure expiration dates have not expired. - Answer: Weekly
If 25 jobsite employees are present on a jobsite, what toilet facilities must be provided? - Answer: 1
toilet seat and 1 urinal
Employees are limited to a maximum exposure time of _____ hours for noise up to 95 dba. - Answer: 4
An employee is exposed to the following noise levels
throughout their day. Are they over the permissible exposure limit: 110 dba for ¼ hour + 105 dba for ½
hour + 95 dba for 3 hours? - Answer: Yes (combined total of 1.75 limit)
Illumination measured in foot-candles in general construction areas should, at the minimum be: -
Answer: 3 foot-candles
All employees working in areas where there is a possible danger of head injury from falling to flying
objects to electrical shock and burns must wear: - Answer: Protective helmets
,Who is responsible for providing each employee with head protection that meets the specification
contained in any of the consensus American National
Standards Institute (ANSI standards? - Answer: Employer
When employees are to be exposed to eye and face hazards from flying particles, molten metal, liquid
chemicals, acids or caustic liquids, etc. the employer must provide: - Answer: Eye and face protection
A safety belt lanyard must be a minimum of ________ Or equivalent, with a maximum length to provide
for a fall of no greater than 6 feet. - Answer: 1/2 inch nylon
Nets need to extend how far beyond the edge of the work surface where employees are exposed to a
danger of falling? - Answer: 8 feet
What can be substituted for a fire extinguisher having a 2A
rating? - Answer: One 55 gallon open drum of water with two fire pails
For Class B fires (flammable liquids, gasoline, oil, paints, grease, etc.) all of the following type of
extinguishers are allowed except: - Answer: Soda acid
Where should quantities of flammable liquid in excess of 25 gallons be stored? - Answer: In an
acceptable or approved cabinet
Not more than 60 gallons of Category 1, 2, and/or 3 flammable liquid or ________ gallons of Category 4
flammable liquid must be stored in any one storage cabinet. - Answer: 120
When using heaters in confined spaces, care needs to be taken to provide _______ in order to ensure
proper safety. - Answer: Sufficient ventilation
The minimum clearances for a radiant type room heater for
sides and rear is: - Answer: 36
,Heaters used near combustible tarpaulins, canvas, or similar coverings need to be located at least how
far from the coverings? - Answer: 10 feet
With general requirement for storage, materials stored inside buildings under
construction must not be placed within ______ of any hoistway or inside floor openings. - Answer: 6 feet
________ must be stacked by stepping back the layers and cross-keying the bags at least every 10 bags
high. - Answer: Bagged materials
When a loose brick stack reaches a height of ______ for safety it shall be
tapered back 2 inches in every foot of height above the 4-foot level. - Answer: 4 feet
When masonry blocks are stacked higher than 6 feet, the stack must be tapered back _______ block per
tier above the 6-foot level. - Answer: 1/2
Used lumber must have all ______ withdrawn before stacking. - Answer: Nails
Lumber piles must NOT exceed _______ ft in height provided that lumber to be handled manually is not
stacked more than 16 ft high. - Answer: 20
Rigging equipment for material handling needs to be inspected prior to use on each shift and as
necessary during use to ensure that it is ________. - Answer: Safe
An enclosed chute must be used whenever materials are dropped more than ________ to any point
lying outside the exterior walls of the building. - Answer: 20 feet
The area onto which material can be dropped when debris is dropped through holes in a floor without a
chute needs to be completely enclosed with barricades NOT less than __________ high and NOT less
than _________ back from the projected edge of the opening above. - Answer: 42 inches | 6 feet
Rubbish must be ______ from the immediate work area as the work progresses. - Answer: Removed
, All of the following must be kept in a fire resistant covered container until removed from the worksite
except: - Answer: Scrap lumber
When power operated tools are designed with guards, they __________ be equipped with such guards
when in use. - Answer: Should always
Point of operation guarding is: - Answer: The area where work is actually performed
All the following hand-held powered tools must be equipped with only a positive "on-off" control
except: - Answer: Angle grinders with wheels greater than 2 inches in diameter
Electric power operated tools must be the approved double-insulated type or __________. - Answer:
Grounded
All pneumatically driven nailers, staplers, etc. operating at more than 100 p.s.i. must have a safety
device on the ________ to prevent the tool from ejecting fasteners. - Answer: Muzzle
Compressed air for cleaning purposes must NOT be used except for where the air is reduced to less than
30 p.s.i., use with effective chip guarding, and _________ - Answer: Wearing PPE
Who should be allowed to operate a power-actuated tool? - Answer: Trained employees
Both the __________ and bench mounted abrasive wheels used for external grinding must be provided
with safety guards and protection hoods. - Answer: Floor stand
The maximum angular exposure of the grinding wheel periphery and sides must NOT be more than
_________ except when work requires contact with the wheel below the horizontal plane of the spindle.
- Answer: 90 degrees
___________, which are adequate eye protection, can often be permanently attached to the bench or
floor stand. - Answer: Eye shields
