IST Workplace Safety and OSHA 1 — Questions and Answers
Question 1: According to OSHA standards, what color is used to identify physical hazards such as stumbling or striking dangers?
- Red
- Orange
- Yellow (Correct answer)
- Blue
Correct answer: Yellow
OSHA uses yellow to mark physical hazards like tripping, falling, and striking dangers.
Question 2: What does the acronym 'PPE' stand for in an industrial workplace?
- Personal Protective Equipment (Correct answer)
- Preventive Plant Evaluation
- Primary Process Efficiency
- Plant Protection Equipment
Correct answer: Personal Protective Equipment
PPE stands for Personal Protective Equipment, which includes items like gloves, helmets, and safety glasses.
Question 3: Which type of fire extinguisher is safe to use on electrical equipment fires?
- Class A
- Class B
- Class C (Correct answer)
- Class D
Correct answer: Class C
Class C extinguishers are designed for electrical fires because they use non-conductive agents.
Question 4: What is the minimum height at which fall protection is required in general industry under OSHA standards?
- 2 feet
- 4 feet (Correct answer)
- 6 feet
- 8 feet
Correct answer: 4 feet
OSHA requires fall protection in general industry when workers are exposed to falls of 4 feet or more.
Question 5: What does a red safety tag on a machine indicate?
- Machine is running normally
- Machine needs routine maintenance
- Machine is locked out / out of service (Correct answer)
- Machine has been recently inspected
Correct answer: Machine is locked out / out of service
A red tag indicates the machine is locked out or out of service and must not be operated.
Question 6: What is the primary purpose of a Lockout/Tagout (LOTO) procedure?
- To track machine maintenance schedules
- To prevent accidental energization of equipment during service (Correct answer)
- To secure inventory storage areas
- To document safety inspections
Correct answer: To prevent accidental energization of equipment during service
LOTO procedures prevent the accidental release of hazardous energy while equipment is being serviced or maintained.
According to OSHA standards, what color is used to identify physical hazards such as stumbling or striking dangers?