3E951 CDC Volume 3 Unit Review
Exercises Questions and Answers
Graded A+
Which of the following is the most important reason for conducting a safety inspection of a
worksite?
A. To ensure compliance with local laws
✔✔B. To identify potential hazards and prevent accidents
C. To reduce operational costs
D. To improve employee morale
What is the primary function of an air compressor in a pneumatic system?
A. To control the flow of air
✔✔B. To increase the pressure of air
C. To filter the air
D. To cool the system
Which of the following is an essential component of a firefighting system in a confined space?
✔✔A. Fire extinguisher
1
,B. Gas mask
C. Flashlight
D. First aid kit
What is the best method for ensuring the proper operation of safety equipment?
✔✔A. Regular maintenance and inspection
B. Ignoring minor issues until they become major
C. Replacing equipment every six months
D. Using equipment only when necessary
What is the primary function of an air filtration system?
A. To cool the air
✔✔B. To remove contaminants and particles from the air
C. To circulate air throughout the building
D. To maintain the air pressure
What should be the first action taken if a chemical spill occurs in a confined space?
✔✔A. Evacuate the area and alert emergency personnel
2
,B. Clean up the spill immediately
C. Notify the supervisor and continue working
D. Seal the container and continue working
Which of the following is an example of personal protective equipment (PPE)?
A. Safety poster
✔✔B. Hard hat
C. First aid kit
D. Fire extinguisher
What is the most common cause of accidents in industrial environments?
A. Faulty equipment
B. Poor lighting
✔✔C. Human error
D. Natural disasters
What type of hazard does electrical equipment pose in the workplace?
A. Chemical hazard
3
, B. Physical hazard
✔✔C. Electrical hazard
D. Biological hazard
Which of the following actions is necessary when operating machinery with moving parts?
A. Using gloves to protect hands
B. Keeping hands within the operating area
✔✔C. Keeping hands and clothing away from moving parts
D. Wearing loose clothing for flexibility
What is the first step to take when entering a confined space?
✔✔A. Perform a risk assessment and check for hazardous gases
B. Enter immediately to assess the situation
C. Turn on all equipment and begin working
D. Call for a supervisor to enter first
Which type of fire extinguisher is suitable for electrical fires?
A. Water-based fire extinguisher
4
Exercises Questions and Answers
Graded A+
Which of the following is the most important reason for conducting a safety inspection of a
worksite?
A. To ensure compliance with local laws
✔✔B. To identify potential hazards and prevent accidents
C. To reduce operational costs
D. To improve employee morale
What is the primary function of an air compressor in a pneumatic system?
A. To control the flow of air
✔✔B. To increase the pressure of air
C. To filter the air
D. To cool the system
Which of the following is an essential component of a firefighting system in a confined space?
✔✔A. Fire extinguisher
1
,B. Gas mask
C. Flashlight
D. First aid kit
What is the best method for ensuring the proper operation of safety equipment?
✔✔A. Regular maintenance and inspection
B. Ignoring minor issues until they become major
C. Replacing equipment every six months
D. Using equipment only when necessary
What is the primary function of an air filtration system?
A. To cool the air
✔✔B. To remove contaminants and particles from the air
C. To circulate air throughout the building
D. To maintain the air pressure
What should be the first action taken if a chemical spill occurs in a confined space?
✔✔A. Evacuate the area and alert emergency personnel
2
,B. Clean up the spill immediately
C. Notify the supervisor and continue working
D. Seal the container and continue working
Which of the following is an example of personal protective equipment (PPE)?
A. Safety poster
✔✔B. Hard hat
C. First aid kit
D. Fire extinguisher
What is the most common cause of accidents in industrial environments?
A. Faulty equipment
B. Poor lighting
✔✔C. Human error
D. Natural disasters
What type of hazard does electrical equipment pose in the workplace?
A. Chemical hazard
3
, B. Physical hazard
✔✔C. Electrical hazard
D. Biological hazard
Which of the following actions is necessary when operating machinery with moving parts?
A. Using gloves to protect hands
B. Keeping hands within the operating area
✔✔C. Keeping hands and clothing away from moving parts
D. Wearing loose clothing for flexibility
What is the first step to take when entering a confined space?
✔✔A. Perform a risk assessment and check for hazardous gases
B. Enter immediately to assess the situation
C. Turn on all equipment and begin working
D. Call for a supervisor to enter first
Which type of fire extinguisher is suitable for electrical fires?
A. Water-based fire extinguisher
4
