A Fun Quiz On Electrical Installation And Maintenance!

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AnthonCar
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Quizzes Created: 4 | Total Attempts: 8,614
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  • 1/20 Questions

    It is not advisable to put a copper or jumper wire instead of a fuse since

    • A copper wire will explode
    • The circuit cannot be protected in case of overload or short circuit
    • A copper wire is expensive
    • A copper wire is long
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About This Quiz

Are you ready for a fun quiz on electrical installation and maintenance? Electrical appliances have become a necessity in the modern world. Interestingly, they need special care during installations, additionally, they also require timely maintenance in order to function properly. The quiz introduces you to the nitty gritty of appliance installation and maintenance. Are you learning to learn? Let's see how well aware are you of the concept. You are expected to attempt each question carefully. If you liked the quiz, please don't forget to share! Good Luck!

A Fun Quiz On Electrical Installation And Maintenance! - Quiz

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  • 2. 

    A device that automatically cut off the circuit without damage during abnormal condition is?

    • Sun breaker

    • Growler

    • Circuit breaker

    • Fuse

    Correct Answer
    A. Circuit breaker
    Explanation
    A circuit breaker is a device that automatically cuts off the circuit during abnormal conditions, such as a short circuit or overload, to prevent damage to the electrical system. It is designed to quickly interrupt the flow of electricity, protecting the wiring and equipment from overheating or catching fire. Unlike a fuse, which needs to be replaced after it blows, a circuit breaker can be reset and reused, making it more convenient and cost-effective. A sun breaker and growler are not devices specifically designed for cutting off circuits during abnormal conditions, making them incorrect choices.

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  • 3. 

    The cabinet of lightning installation shall have a grounding conductor?

    • To have a connection

    • To make installation

    • To prevent electric shock

    • To carry current

    Correct Answer
    A. To prevent electric shock
    Explanation
    The cabinet of lightning installation shall have a grounding conductor to prevent electric shock. Grounding is a safety measure that provides a path for electrical current to flow into the ground, rather than through a person or equipment. In the event of a fault or surge, the grounding conductor helps to redirect the excess current away from the cabinet, reducing the risk of electric shock. By having a grounding conductor, the cabinet ensures that any potential electrical faults are safely discharged, protecting both individuals and the equipment from harm.

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  • 4. 

    The standard unit of power is 

    • Volt

    • Ampere

    • Watt

    • Ohm

    Correct Answer
    A. Watt
    Explanation
    The standard unit of power is watt. Power is defined as the rate at which work is done or energy is transferred. The watt is a measurement of power that represents one joule of energy transferred per second. It is commonly used to quantify the power consumption or generation of electrical devices. The other options listed - volt, ampere, and ohm - are units of voltage, current, and resistance respectively, which are related to power but not the standard unit for it.

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  • 5. 

    Prevented maintenance of an equipment?

    • Prolongs life

    • Keeps the equipment in good condition

    • Makes beautiful

    • Makes someone safety

    Correct Answer
    A. Keeps the equipment in good condition
    Explanation
    Preventive maintenance refers to the regular and systematic inspection, cleaning, and servicing of equipment to prevent breakdowns and ensure its optimal functioning. By keeping the equipment in good condition, preventive maintenance helps to identify and address potential issues before they become major problems. This proactive approach helps to extend the equipment's lifespan, reduce the risk of unexpected failures, and maintain its efficiency and effectiveness. Therefore, the answer "Keeps the equipment in good condition" accurately describes the purpose and benefits of preventive maintenance.

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  • 6. 

    A noisy operator of an electric motor is caused by?

    • Winding

    • Open centrifugal switch

    • Rotor and stator touched each other

    • Open capacitor

    Correct Answer
    A. Rotor and stator touched each other
    Explanation
    When the rotor and stator of an electric motor touch each other, it creates a noisy operation. This is because the touching of these two components causes friction and vibration, resulting in the production of unwanted noise. The noise can be further amplified if there are any irregularities or damage to the rotor or stator surfaces. Therefore, when the rotor and stator of an electric motor come into contact, it leads to a noisy operation.

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  • 7. 

    A ground conductor in a three-way system shall not be protected by a fuse since?

    • Fuse is expensive

    • A blown fuse in the ground conductor will make the circuit unbalance

    • Fuse is not necessary

    • Fuse will not protect

    Correct Answer
    A. A blown fuse in the ground conductor will make the circuit unbalance
    Explanation
    If a fuse is used to protect the ground conductor in a three-way system and it blows, it will cause the circuit to become unbalanced. This is because the ground conductor is an essential part of the circuit for maintaining balance and preventing electrical faults. If the ground conductor is interrupted by a blown fuse, the circuit will no longer be able to properly distribute electrical current, leading to an imbalance and potential issues with the functioning of the system.

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  • 8. 

    A piece of personal protective equipment or PPE.

    • Prevents heavy equipment

    • Prevents injuries

    • Prevents accident

    • Prevents short circuit

    Correct Answer
    A. Prevents injuries
    Explanation
    Personal protective equipment (PPE) is designed to prevent injuries by providing a physical barrier between the wearer and potential hazards. It includes items such as helmets, gloves, goggles, and safety shoes, which protect against head injuries, hand injuries, eye injuries, and foot injuries respectively. PPE acts as a preventive measure by reducing the risk of accidents and injuries in various industries and workplaces. It is essential for ensuring the safety and well-being of individuals in potentially hazardous environments.

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  • 9. 

    The advantage of a squirrel cage rotor is that it has

    • No copper bars

    • No laminated iron core

    • No commutator and carbon brushes

    • No bearings

    Correct Answer
    A. No commutator and carbon brushes
    Explanation
    A squirrel cage rotor is a type of rotor used in induction motors. It consists of a cylindrical core made of laminated iron, with conductive bars (usually made of aluminum or copper) embedded in it. These bars resemble a squirrel cage, hence the name. The advantage of a squirrel cage rotor is that it does not require a commutator and carbon brushes for operation. This eliminates the need for maintenance and reduces the chances of wear and tear, resulting in a more reliable and efficient motor.

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  • 10. 

    A rating of a feeder line in relation to a protective device must be ?

    • Less than the protective device

    • Equal or greater than the protected device

    • Lower than the protective device

    • Without rating

    Correct Answer
    A. Equal or greater than the protected device
    Explanation
    The rating of a feeder line in relation to a protective device must be equal or greater than the protected device. This is because the feeder line needs to be able to handle the maximum current that the protective device can allow to pass through. If the rating of the feeder line is lower than the protected device, it may not be able to handle the current and could result in damage or failure of the system. Therefore, it is important for the rating of the feeder line to be equal or greater than the protected device to ensure proper functioning and protection.

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  • 11. 

    A device which is used to removes rough edges of the conduit is called ?

    • Bender

    • Reamer

    • Grinder

    • Cutter

    Correct Answer
    A. Reamer
    Explanation
    A reamer is a device used to remove rough edges of a conduit. It is specifically designed to smooth out the interior surface of a hole or conduit, creating a clean and precise finish. This tool is commonly used in plumbing and electrical work to ensure that the conduit is free from any rough or sharp edges that could potentially cause damage or hinder the flow of materials through the conduit.

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  • 12. 

    The actual power consumption is expressed in

    • KVA

    • KW

    • KWA

    • KHz

    Correct Answer
    A. KW
    Explanation
    The correct answer is KW because KW (Kilowatt) is the unit of measurement for actual power consumption. KVA (Kilovolt-ampere) represents the apparent power, which includes both the real power (KW) and reactive power. KWA is not a valid unit of measurement, and KHz (Kilohertz) is a unit of frequency, not power consumption. Therefore, KW is the appropriate unit for expressing actual power consumption.

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  • 13. 

    When you arrive to troubleshoot a defective machine you should?

    • Switch on the start push button switch

    • Open the enclosure and make a visual inspection

    • Reset the overload relay

    • Talk and inquire the operator

    Correct Answer
    A. Open the enclosure and make a visual inspection
    Explanation
    When arriving to troubleshoot a defective machine, it is important to open the enclosure and visually inspect the machine. This allows the technician to identify any obvious issues or abnormalities that may be causing the machine to malfunction. By visually inspecting the machine, the technician can assess the condition of components, check for loose connections or damaged parts, and gather information that can help in diagnosing the problem. This step is crucial in the troubleshooting process as it provides valuable information that can guide further actions to fix the machine.

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  • 14. 

    A switch is used in the installation of one lamp controlled by two locations is three-way.

    • One way switch

    • Two way switch

    • Three way swicth

    • Four way switch

    Correct Answer
    A. Three way swicth
    Explanation
    A three-way switch is used in the installation of one lamp controlled by two locations. This means that there are two switches that can turn the lamp on or off, and both switches can control the lamp independently. A three-way switch allows for more flexibility and convenience in controlling the lamp from different locations.

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  • 15. 

    The use of friction tape over the plastic tape is required in every electrical splice? 

    • To make splice beautiful

    • To make the splice smaller

    • To avoid disconnection

    • To have more resistance

    Correct Answer
    A. To avoid disconnection
    Explanation
    Friction tape is used over plastic tape in every electrical splice to avoid disconnection. Friction tape provides a higher level of grip and friction, which helps to prevent the splice from coming apart or becoming loose over time. This is important in electrical connections as any disconnection can lead to a loss of power or even potential safety hazards. Therefore, using friction tape ensures a more secure and reliable electrical splice.

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  • 16. 

    The markings are there inflexible non-metallic conduits are?

    • 1

    • 2

    • 3

    • 4

    Correct Answer
    A. 2
  • 17. 

    The capacitor can correct power factor because?

    • It can carry current

    • It can charge electricity

    • It can handle power factor

    • It can create short circuit

    Correct Answer
    A. It can charge electricity
    Explanation
    A capacitor can correct power factor because it has the ability to store and release electrical energy. By charging and discharging electricity, a capacitor can help balance the reactive power in an electrical circuit, thereby improving the power factor. This is achieved by offsetting the inductive or capacitive load in the circuit, reducing the amount of reactive power drawn from the power source.

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  • 18. 

    A device which is used to test short circuit and ground fault of an armature is

    • Grounder

    • Grower

    • Growler

    • Grounding

    Correct Answer
    A. Growler
    Explanation
    A growler is a device used to test for short circuits and ground faults in an armature. It works by producing a magnetic field that interacts with the armature's windings. If there is a fault, such as a short circuit or ground fault, the growler will detect it by causing vibrations or producing a humming sound. This allows technicians to identify and locate any faults in the armature, enabling them to make necessary repairs or replacements.

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  • 19. 

    When you are given a job with a time limit and after working for a minute you noticed that it will not be finished in a given time you should?

    • Notify the supervisor

    • Stop working

    • Continue working as much as you can

    • Skip the unnecessary

    Correct Answer
    A. Continue working as much as you can
    Explanation
    If you are given a job with a time limit and you realize after working for a minute that it will not be finished within the given time, the best course of action is to continue working as much as you can. This shows dedication and effort towards completing the task, even if it may not be finished within the time limit. It is important to make progress and contribute as much as possible, rather than completely stopping or giving up.

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  • 20. 

    Pull down the fuse cut off  of a transmission line before

    • Cutting the wires

    • Working on electrical

    • Climbing the electrical pole

    • Disconnecting

    Correct Answer
    A. Climbing the electrical pole
    Explanation
    Climbing the electrical pole is the correct answer because before cutting the wires or working on electrical equipment, it is important to disconnect the power source. Climbing the electrical pole allows the person to reach the power source and disconnect it, ensuring their safety while working on the transmission line.

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Quiz Review Timeline (Updated): Aug 26, 2023 +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Aug 26, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Oct 14, 2013
    Quiz Created by
    AnthonCar
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