AK INDUSTRIAL CLEANING CONTRACTOR EXAM
QUESTIONS AND CORRECT ANSWERS (VERIFIED
ANSWERS) Q&A 2027 |INSTANT DOWNLAD PDF
1. What is the primary purpose of a Job Hazard Analysis (JHA)?
A. Determine the project profit
B. Identify hazards and establish controls before work begins
C. Select the lowest-cost equipment
D. Calculate employee wages
Answer: B. Identify hazards and establish controls before work
begins
Rationale: A JHA systematically identifies job hazards and the
controls needed to protect workers.
2. Which PPE is most important when handling corrosive
industrial cleaning chemicals?
A. Cotton gloves only
B. Appropriate chemical-resistant gloves and eye/face
protection
C. Baseball cap
D. Hearing protection only
Answer: B. Appropriate chemical-resistant gloves and
eye/face protection
Rationale: Corrosive chemicals can cause severe skin and eye
,injuries, so compatible gloves and eye/face protection are
essential.
3. What should be consulted before using an unfamiliar
industrial cleaning chemical?
A. Equipment invoice
B. Safety Data Sheet (SDS)
C. Employee handbook
D. Project advertisement
Answer: B. Safety Data Sheet (SDS)
Rationale: The SDS provides information about hazards,
handling, PPE, storage, spill response, and first aid.
4. What is the safest general rule when mixing chemicals?
A. Mix all chemicals together for greater cleaning power
B. Follow the manufacturer's instructions and never mix
incompatible chemicals
C. Add chemicals randomly
D. Mix chemicals in an enclosed room
Answer: B. Follow the manufacturer's instructions and never
mix incompatible chemicals
Rationale: Some combinations can release toxic gases,
generate heat, or cause violent reactions.
,5. Why should bleach and ammonia never be mixed?
A. They freeze immediately
B. They can produce toxic chloramine gases
C. They become harmless
D. They produce ordinary soap
Answer: B. They can produce toxic chloramine gases
Rationale: Mixing bleach with ammonia-containing products
can generate hazardous gases that can seriously injure the
respiratory system.
6. What is the purpose of lockout/tagout (LOTO)?
A. Prevent unauthorized purchasing
B. Prevent unexpected energization or startup of equipment
C. Improve cleaning speed
D. Reduce chemical costs
Answer: B. Prevent unexpected energization or startup of
equipment
Rationale: LOTO protects workers from hazardous energy
during servicing, maintenance, and cleaning.
7. Before cleaning industrial machinery, the contractor should
first determine whether the equipment is:
A. New
B. Painted
, C. Properly isolated from hazardous energy
D. Expensive
Answer: C. Properly isolated from hazardous energy
Rationale: Cleaning around moving or energized machinery can
cause crushing, entanglement, electrical, or other serious
injuries.
8. What is a confined space?
A. Any small office
B. A space large enough to enter, with limited entry/exit and
not designed for continuous occupancy
C. Any outdoor area
D. Any room with windows
Answer: B. A space large enough to enter, with limited
entry/exit and not designed for continuous occupancy
Rationale: These characteristics are fundamental to identifying
a confined space.
9. Why can industrial tanks present serious hazards during
cleaning?
A. They are always too cold
B. They may contain toxic atmospheres, oxygen deficiency, or
engulfment hazards
QUESTIONS AND CORRECT ANSWERS (VERIFIED
ANSWERS) Q&A 2027 |INSTANT DOWNLAD PDF
1. What is the primary purpose of a Job Hazard Analysis (JHA)?
A. Determine the project profit
B. Identify hazards and establish controls before work begins
C. Select the lowest-cost equipment
D. Calculate employee wages
Answer: B. Identify hazards and establish controls before work
begins
Rationale: A JHA systematically identifies job hazards and the
controls needed to protect workers.
2. Which PPE is most important when handling corrosive
industrial cleaning chemicals?
A. Cotton gloves only
B. Appropriate chemical-resistant gloves and eye/face
protection
C. Baseball cap
D. Hearing protection only
Answer: B. Appropriate chemical-resistant gloves and
eye/face protection
Rationale: Corrosive chemicals can cause severe skin and eye
,injuries, so compatible gloves and eye/face protection are
essential.
3. What should be consulted before using an unfamiliar
industrial cleaning chemical?
A. Equipment invoice
B. Safety Data Sheet (SDS)
C. Employee handbook
D. Project advertisement
Answer: B. Safety Data Sheet (SDS)
Rationale: The SDS provides information about hazards,
handling, PPE, storage, spill response, and first aid.
4. What is the safest general rule when mixing chemicals?
A. Mix all chemicals together for greater cleaning power
B. Follow the manufacturer's instructions and never mix
incompatible chemicals
C. Add chemicals randomly
D. Mix chemicals in an enclosed room
Answer: B. Follow the manufacturer's instructions and never
mix incompatible chemicals
Rationale: Some combinations can release toxic gases,
generate heat, or cause violent reactions.
,5. Why should bleach and ammonia never be mixed?
A. They freeze immediately
B. They can produce toxic chloramine gases
C. They become harmless
D. They produce ordinary soap
Answer: B. They can produce toxic chloramine gases
Rationale: Mixing bleach with ammonia-containing products
can generate hazardous gases that can seriously injure the
respiratory system.
6. What is the purpose of lockout/tagout (LOTO)?
A. Prevent unauthorized purchasing
B. Prevent unexpected energization or startup of equipment
C. Improve cleaning speed
D. Reduce chemical costs
Answer: B. Prevent unexpected energization or startup of
equipment
Rationale: LOTO protects workers from hazardous energy
during servicing, maintenance, and cleaning.
7. Before cleaning industrial machinery, the contractor should
first determine whether the equipment is:
A. New
B. Painted
, C. Properly isolated from hazardous energy
D. Expensive
Answer: C. Properly isolated from hazardous energy
Rationale: Cleaning around moving or energized machinery can
cause crushing, entanglement, electrical, or other serious
injuries.
8. What is a confined space?
A. Any small office
B. A space large enough to enter, with limited entry/exit and
not designed for continuous occupancy
C. Any outdoor area
D. Any room with windows
Answer: B. A space large enough to enter, with limited
entry/exit and not designed for continuous occupancy
Rationale: These characteristics are fundamental to identifying
a confined space.
9. Why can industrial tanks present serious hazards during
cleaning?
A. They are always too cold
B. They may contain toxic atmospheres, oxygen deficiency, or
engulfment hazards
