NASCLA PRACTICE EXAM QUESTIONS WITH
COMPLETE SOLUTION
SECTION A: OSHA SAFETY & JOBSITE SAFETY
OSHA regulations and jobsite safety are critical components of the NASCLA exam,
covering topics such as first aid, fire safety, material storage, and personal
protective equipment .
1. As part of housekeeping, combustible scrap and debris on a jobsite must be
______ at regular intervals during construction.
• A) Covered
• B) Removed
• C) Wet down
• D) Marked
Answer: B) Removed
Rationale: Combustible scrap and debris must be removed from the jobsite at
regular intervals to prevent fire hazards .
2. The contents of the jobsite first aid kit must be in individually sealed
packages, and be checked by the employer at least ______ on each job to ensure
expiration dates have not expired.
• A) Daily
• B) Weekly
• C) Monthly
• D) Quarterly
,Answer: B) Weekly
Rationale: First aid kits must be checked weekly to ensure all contents are present
and within expiration dates .
3. If 25 jobsite employees are present on a jobsite, what toilet facilities must be
provided?
• A) 1 toilet seat and 1 urinal
• B) 2 toilet seats and 1 urinal
• C) 2 toilet seats and 2 urinals
• D) 3 toilet seats
Answer: A) 1 toilet seat and 1 urinal
Rationale: OSHA requires one toilet seat and one urinal for 1-15 employees, and
two toilet seats and one urinal for 16-35 employees. For 25 employees, the
requirement is 2 toilet seats and 1 urinal.
4. Employees are limited to a maximum exposure time of _____ hours for noise
up to 95 dBA.
• A) 2 hours
• B) 4 hours
• C) 6 hours
• D) 8 hours
Answer: B) 4 hours
Rationale: OSHA noise exposure limits allow 4 hours at 95 dBA. Permissible
exposure times decrease as noise levels increase .
, 5. Illumination measured in foot-candles in general construction areas should, at
the minimum, be:
• A) 3 foot-candles
• B) 5 foot-candles
• C) 10 foot-candles
• D) 20 foot-candles
Answer: A) 3 foot-candles
Rationale: General construction areas require a minimum of 3 foot-candles of
illumination for worker safety .
6. All employees working in areas where there is a possible danger of head
injury from falling or flying objects, electrical shock, and burns must wear:
• A) Hard hats only
• B) Protective helmets
• C) Bump caps
• D) Safety glasses
Answer: B) Protective helmets
Rationale: Protective helmets are required in areas with potential head injury
hazards from falling objects, electrical shock, or burns .
7. With general requirement for storage, materials stored inside buildings under
construction must not be placed within ______ of any hoistway or inside floor
openings.
• A) 3 feet
• B) 6 feet
• C) 8 feet
COMPLETE SOLUTION
SECTION A: OSHA SAFETY & JOBSITE SAFETY
OSHA regulations and jobsite safety are critical components of the NASCLA exam,
covering topics such as first aid, fire safety, material storage, and personal
protective equipment .
1. As part of housekeeping, combustible scrap and debris on a jobsite must be
______ at regular intervals during construction.
• A) Covered
• B) Removed
• C) Wet down
• D) Marked
Answer: B) Removed
Rationale: Combustible scrap and debris must be removed from the jobsite at
regular intervals to prevent fire hazards .
2. The contents of the jobsite first aid kit must be in individually sealed
packages, and be checked by the employer at least ______ on each job to ensure
expiration dates have not expired.
• A) Daily
• B) Weekly
• C) Monthly
• D) Quarterly
,Answer: B) Weekly
Rationale: First aid kits must be checked weekly to ensure all contents are present
and within expiration dates .
3. If 25 jobsite employees are present on a jobsite, what toilet facilities must be
provided?
• A) 1 toilet seat and 1 urinal
• B) 2 toilet seats and 1 urinal
• C) 2 toilet seats and 2 urinals
• D) 3 toilet seats
Answer: A) 1 toilet seat and 1 urinal
Rationale: OSHA requires one toilet seat and one urinal for 1-15 employees, and
two toilet seats and one urinal for 16-35 employees. For 25 employees, the
requirement is 2 toilet seats and 1 urinal.
4. Employees are limited to a maximum exposure time of _____ hours for noise
up to 95 dBA.
• A) 2 hours
• B) 4 hours
• C) 6 hours
• D) 8 hours
Answer: B) 4 hours
Rationale: OSHA noise exposure limits allow 4 hours at 95 dBA. Permissible
exposure times decrease as noise levels increase .
, 5. Illumination measured in foot-candles in general construction areas should, at
the minimum, be:
• A) 3 foot-candles
• B) 5 foot-candles
• C) 10 foot-candles
• D) 20 foot-candles
Answer: A) 3 foot-candles
Rationale: General construction areas require a minimum of 3 foot-candles of
illumination for worker safety .
6. All employees working in areas where there is a possible danger of head
injury from falling or flying objects, electrical shock, and burns must wear:
• A) Hard hats only
• B) Protective helmets
• C) Bump caps
• D) Safety glasses
Answer: B) Protective helmets
Rationale: Protective helmets are required in areas with potential head injury
hazards from falling objects, electrical shock, or burns .
7. With general requirement for storage, materials stored inside buildings under
construction must not be placed within ______ of any hoistway or inside floor
openings.
• A) 3 feet
• B) 6 feet
• C) 8 feet
