#1
What is the most common cause of electrical accidents in the workplace?
Inadequate training
ExplanationLack of proper instruction leads to mishandling.
#2
Which of the following is NOT a recommended action to prevent electrical hazards?
Using damaged electrical cords temporarily
ExplanationDamaged cords increase the risk of accidents.
#3
What does the term 'OHSA' stand for in the context of electrical safety?
Occupational Health and Safety Administration
ExplanationResponsible for workplace safety regulations.
#4
Why is it important to maintain a safe distance from overhead power lines?
To minimize the risk of electric shock or electrocution
ExplanationPrevents contact with high-voltage lines.
#5
What type of electrical hazard is caused by damaged insulation on wires?
Electric shock
ExplanationIncreases the risk of accidental contact.
#6
What does the term 'LOTO' stand for in the context of electrical safety?
Lockout/Tagout
ExplanationProcedure to prevent accidental startup.
#7
What is the purpose of providing electrical safety training to employees?
To ensure compliance with regulations
ExplanationEnsures understanding and adherence to safety standards.
#8
Which of the following is a recommended practice to prevent electrical fires?
Regularly inspecting electrical equipment
ExplanationIdentifies potential hazards early.
#9
Why is it important to ensure proper ventilation in areas with electrical equipment?
To prevent overheating of equipment
ExplanationAvoids damage and fire hazards.
#10
What does the term 'arc flash' refer to in electrical safety?
A sudden release of energy due to an electrical fault
ExplanationA dangerous discharge resulting from a fault.
#11
Which class of fire extinguisher is suitable for electrical fires?
Class C
ExplanationDesigned to tackle electrical fires safely.
#12
What is the purpose of a 'lockout/tagout' procedure in electrical safety?
To isolate energy sources and prevent accidental startup during maintenance
ExplanationSecures machinery to avoid accidental activation.
#13
Which of the following is NOT a potential consequence of electrical shock?
Headache
ExplanationTypically not a direct result of electrical shock.
#14
What is the purpose of an electrical safety program in the workplace?
To prevent electrical accidents and injuries
ExplanationEstablishes protocols for safe practices.
#15
Which of the following is a common symptom of electric shock?
Confusion
ExplanationResulting from neurological effects.
#16
What is the purpose of using insulated tools in electrical work?
To reduce the risk of electric shock
ExplanationMinimizes conductivity during handling.
#17
What is the purpose of an electrical safety audit?
To identify and rectify electrical hazards
ExplanationEvaluates and improves safety protocols.
#18
What is the role of a ground conductor in electrical systems?
To carry fault current to the ground in case of a fault
ExplanationChannels excess current to prevent damage.
#19
What is the function of a circuit breaker in electrical systems?
To protect circuits from overcurrent
ExplanationAutomatically interrupts power flow in overload situations.
#20
What does the term 'ground fault circuit interrupter (GFCI)' do?
Prevents electrical shock by cutting off power
ExplanationHalts current flow upon detecting a fault.
#21
Which of the following is a recommended practice for working safely with electricity?
Using metal tools with insulated handles
ExplanationReduces the risk of electric shock.
#22
Which of the following is an example of a 'qualified' person in electrical safety?
A person who has received appropriate training and certification
ExplanationPossesses expertise and certification.
#23
Which of the following is a recommended practice when working with electrical equipment in wet conditions?
Wearing rubber-soled shoes
ExplanationInsulates against potential shocks.
#24
Which of the following is NOT a recommended action during an electrical fire?
Using water to extinguish the fire
ExplanationWater conducts electricity and increases risk.
#25
What should you do if you encounter a downed power line?
Stay away and immediately call emergency services
ExplanationAvoid contact due to high voltage risk.