Electrical Safety Awareness Quiz
Electrical Safety Awareness Quiz
Test your knowledge on electrical safety with our engaging quiz! This comprehensive assessment includes 26 carefully crafted questions that cover essential topics in electrical safety, from understanding voltage and current to identifying hazards and safety practices.
- Multiple choice questions
- Covering key concepts and practices
- Enhance your knowledge on electrical safety
Electrical safety is closely related to fire safety.
True
False
Electrical safety has to do with understanding voltage, current and resistance.
True
False
Do not plug several power cords into one outlet. ▪ Pull the plug, not the cord.
True
False
Unsafe practices related to electricity have adverse effects to the human body and property, and are the primary causes of fire.
True
False
Essential and considered as among the basic needs of everybody
Voltage
Electricity
Atom
Current
The potential difference between two points in a circuit is measured in terms of volts. The higher the potential difference, the easier it is for the electrons to move from one point to another, and the higher the electric current.
Current
Voltage
Atom
Resistance
The flow of electrons is also governed by the resistance offered by the conducting materials. It is measured in Ohms.
Resistance
Current
Voltage
The current flow in a circuit is measure in terms of amperes. One ampere, by definition, is the flow of 6.28 x 1018 electrons per second past a given point in a circuit.
Voltage
Resistance
Current
Tric Shock Occurrence ➢ Electrical shock is a common hazard encountered by people involved in the installation, maintenance, and operation of electrical equipment.
True
False
The flow of electric charge whose magnitude and direction changes periodically.
Direct current (DC)
Alternating current (AC)
Current
The flow of electric charge that does not change direction
Direct current (DC)
Alternating current (AC)
Current
Based on the research of ___________, professor at the University of California, the effects of alternating current (60Hz) on the human body are generally accepted to be as follows:
Charles Dalzielo
Charless Delziel
Charles F. Dalziel
There are four main types of injuries caused by electric currents except:
Electrocution
Electric shock
Burns
Falls
Hyperventilation
Means grounding the neutral point iron terminal of electrical circuits on power transformer of electrical system;
Grounding system.
System Grounding
Equipment Grounding
Grounding of a non-charged metal part of electrical equipment
Grounding system.
System Grounding
Equipment Grounding
Essentially a strip of metal that melts at a pre-determined value of current flow, and therefore cuts off the current to that circuit.
Circuit breaker
Fuse
Earth leakage circuit breaker
The principle of the operation is that excess current flow is detected electromagnetically and the mechanism of the breaker automatically trips and cuts off electric supply to the circuit it protects.
Earth leakage circuit breaker
Circuit breaker
Fuse
Detect both over-current and earth leakage currents and thereby give very good circuit protection.
Fuse
Circuit breaker
Earth leakage circuit breaker
Very short duration electric discharge across two electrodes with a visible discharge of light
Arc
Spark
Overheating
Continuous electrical discharge between two electrodes with a visible discharge of light.
Arc
Spark
Overheating
Locations where flammable gases or vapors are present or likely to become present.
Class 1
Class 2
Class 3
Locations are those where easily ignitable dust such as textile fibers are present but not likely to be suspended in the air in sufficient concentration to produce an easily ignitable atmosphere.
Class 1
Class 2
Class 3
Applies to combustible dusts. Combustible dust, also known as explosive dust, is a by-product created from manufacturing processes that involve combustible raw materials. These materials include wood, light metals, several kinds of chemicals, but also agricultural products such as grain, spices, and tobacco.
Class 1
Class 2
Class 3
Fast-acting circuit breaker designed to shut off electric power in the event of a ground-fault within as little as 1/40 of a second.
Ground-fault circuit interrupter, or GFCI
Fuse
Circuit breaker
Never Break OFF the Third Prong on a Plug ▪ Replace broken 3-prong plugs and make sure the third prong is properly grounded
True
False
Use extension cords only to temporarily supply power to an area that does not have a power outlet.
True
False
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