Maihar Cement ITI Electrician, Electrical Maintenance Interview Questions and Answers

Q1. What is armature
Ans. 
Armature is the rotating part of an electrical machine, such as a motor or generator, which carries the current and produces the mechanical power.
• Armature is the part of an electrical machine that interacts with the magnetic field to produce motion.

• It is usually made up of coils of wire wrapped around a core.

• The armature is connected to a shaft and rotates within the magnetic field.

• In a motor, the armature receives ele...read more
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Q2. What is capacitor
Ans. 
A capacitor is an electronic component that stores and releases electrical energy.
• Capacitors consist of two conductive plates separated by an insulating material

• They are used to filter out noise in electronic circuits

• Capacitors are commonly used in power supplies, audio equipment, and electronic devices
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Q3. What is voltage
Ans. 
Voltage is the difference in electric potential between two points in a circuit, measured in volts.
• Voltage is the driving force that pushes electric current through a circuit

• It is measured in volts (V)

• Voltage can be either direct current (DC) or alternating current (AC)

• Higher voltage means more potential energy available to move electrons

• Examples: A battery provides a voltage difference to power a flashlight, a wall ou
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Q4. What is current
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Current is the flow of electric charge in a circuit.
• Current is measured in Amperes (A)

• It is the rate of flow of electric charge through a conductor

• Current flows from high potential to low potential

• There are two types of current - AC (Alternating Current) and DC (Direct Current)

• Examples of current include the flow of electrons in a wire when a light bulb is turned on
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Q5. What is armature ok right now
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Q1. What is a motor?
Ans. 
A motor is a device that converts electrical energy into mechanical energy to produce motion.
• Converts electrical energy into mechanical energy

• Produces motion

• Common types include AC motors and DC motors
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Q2. What is a transformer?
Ans. 
A transformer is a device that transfers electrical energy between two or more circuits through electromagnetic induction.
• Consists of primary and secondary coils

• Works on the principle of electromagnetic induction

• Used to step up or step down voltage levels

• Examples: power transformers, distribution transformers
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Q3. What is the full name of PCC ?
Ans. 
PCC stands for Power Control Center.
• PCC is a type of electrical distribution panel used to control power supply to various electrical equipment.

• It helps in distributing power to different circuits and equipment in an organized manner.

• PCCs are commonly used in industrial settings to manage power distribution efficiently.
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Q1. Work at 2 years
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Q2. PCC,mcc,mldb panel
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Q1. What is the process of power distribution?
Ans. 
Power distribution is the process of delivering electricity from power plants to consumers through a network of transmission and distribution lines.
• Electricity is generated at power plants using various sources such as coal, natural gas, nuclear, or renewable energy.

• The electricity is then transmitted at high voltages over long distances through transmission lines to substations.

• At substations, the voltage is reduced a...read more
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Q2. What are the different types of sources of electricity?
Ans. 
Different types of sources of electricity include fossil fuels, nuclear power, renewable energy sources, and batteries.
• Fossil fuels (coal, oil, natural gas)

• Nuclear power

• Renewable energy sources (solar, wind, hydro, geothermal)

• Batteries (lithium-ion, lead-acid)
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Q1. What is power factor?
Ans. 
Power factor is a measure of how effectively electrical power is being converted into useful work output.
• Power factor is the ratio of real power (kW) to apparent power (kVA) in an electrical system.

• It is a number between 0 and 1, with 1 representing perfect efficiency.

• Low power factor can result in increased energy costs and inefficient use of electrical power.

• Power factor correction can be implemented to improve effic...read more
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Q2. Power Factory(cosphi)=Actual power/Apparent power
Ans. 
Power factor is the ratio of actual power to apparent power in an electrical system.
• Power factor is a measure of how effectively electrical power is being used in a system.

• It is calculated by dividing the actual power (in watts) by the apparent power (in volt-amperes).

• A power factor of 1 indicates perfect efficiency, while a lower power factor indicates inefficiency.

• For example, if a system has an actual power of 800W ...read more
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Q1. 5 S
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Q2. Netural & Earthing
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Question was based on none verbal reasoning.

Q1. Based on background of me.
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Q1. There are lot of questions which was based on technical knowledge and case study. Maintenance practices and day today job basic
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Q1. This was also based on technical questions
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Q1. Introduction of yourself
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Advance electrical

Q1. Electrical maintenance
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