Bmm Ispat Diploma Electrical Engineer Interview Questions and Answers

Q1. Why job requirement
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Q2. Electrical engineering department
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Q1. What is the conductor
Ans. 
A conductor is a material that allows the flow of electric current.
• Conductors have low resistance to the flow of electricity.

• Metals like copper and aluminum are commonly used as conductors.

• Conductors are used in electrical wiring, circuits, and transmission lines.
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Q2. What is the semi conductor
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A semiconductor is a material that has electrical conductivity between that of a conductor and an insulator.
• Semiconductors have a band gap that allows them to conduct electricity under certain conditions.

• Common semiconductor materials include silicon, germanium, and gallium arsenide.

• Semiconductors are used in electronic devices such as transistors, diodes, and integrated circuits.
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Q3. What is the current
Ans. Current is the rate at which electrons flow past a point in an electrical circuit
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Q4. What is the electrical
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The electrical resistance is a measure of how much an object opposes the flow of electric current.
• Electrical resistance is measured in ohms (Ω).

• It is determined by the material and dimensions of an object.

• Higher resistance means less current flow.

• Example: A light bulb has a high resistance, which causes it to glow when current passes through.
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Q1. PLC , VFD, MOTOR , TRANSFERMER MAINTENANCE
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Q1. Maintenace of CAPATIVE POWER PLANT
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Maintenance of a captive power plant involves regular checks and upkeep to ensure efficient and safe operation.
• Regular inspection of equipment and machinery

• Scheduled maintenance of generators, transformers, and switchgear

• Testing and calibration of control systems

• Cleaning and lubrication of moving parts

• Replacement of worn or damaged components

• Ensuring compliance with safety regulations

• Training of personnel on proper ope
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Q2. Maintenace of Transformer
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Maintenance of transformer involves regular inspection, testing, and servicing to ensure its proper functioning.
• Regular inspection of transformer components such as bushings, tap changers, and cooling system

• Testing of transformer oil for dielectric strength and moisture content

• Servicing of transformer by cleaning, tightening connections, and replacing faulty components

• Ensuring proper ventilation and cooling of transfor...read more
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Q1. What's is tha 3 phase tranformer
Ans. 
A 3 phase transformer is a type of transformer that is designed to handle three-phase power distribution systems.
• Consists of three sets of primary and secondary windings

• Used in power distribution systems to step up or step down voltage in three-phase circuits

• Commonly used in industrial and commercial applications

• Examples include distribution transformers, power transformers, and autotransformers
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Q1. What is the 3 phase tranformer
Ans. 
A 3 phase transformer is a type of transformer that is designed to handle three-phase power distribution systems.
• Consists of three sets of primary and secondary windings

• Used in power distribution systems to step up or step down voltage in three-phase circuits

• Commonly used in industrial and commercial applications

• Examples include distribution transformers, power transformers, and autotransformers
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Q2. 2 phase tranformer what is the
Ans. 
A 2 phase transformer is a type of transformer that has two primary and two secondary windings.
• Consists of two primary windings and two secondary windings

• Used in certain industrial applications where a 3 phase transformer is not feasible

• Less common compared to single phase and 3 phase transformers
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Q3. Kichoff current law what is
Ans. 
Kirchhoff's current law states that the total current entering a junction is equal to the total current leaving the junction.
• Total current entering a junction = Total current leaving the junction

• It is based on the principle of conservation of charge

• Used to analyze and solve electrical circuits
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Q4. What is the semi conductor
Ans. 
A semiconductor is a material that has electrical conductivity between a conductor and an insulator.
• Semiconductors have a conductivity between that of a conductor and an insulator

• They are used in electronic devices such as transistors, diodes, and integrated circuits

• Common semiconductor materials include silicon, germanium, and gallium arsenide
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Q5. What is tha current law
Ans. 
Ohm's Law states that the current flowing through a conductor is directly proportional to the voltage applied across it, and inversely proportional to the resistance of the conductor.
• Current (I) = Voltage (V) / Resistance (R)

• It helps in calculating the current flowing through a circuit based on the voltage and resistance values.

• It is represented by the formula I = V/R.

• Ohm's Law is fundamental in understanding and analy
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Q1. Electrical engineering question
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Interest in electrical equipment skill skill development engineer
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Q1. Electrical machine
Ans. Type of motor . working principle
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Diploma in electrical engineering in Gumla polytechnic Gumla Jharkhand

Q1. Electrical machine and power system
Ans. 
Mechanical energy to electrical energy convert in electrical machine and power system is a generation transmission and distribution of electrical energy
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Q2. Transformers working principle
Ans. 
Transformers work on the principle of electromagnetic induction to transfer electrical energy between two or more circuits.
• Transformers consist of two or more coils of wire called windings.

• The primary winding is connected to the input voltage source, while the secondary winding is connected to the load.

• When an alternating current (AC) flows through the primary winding, it creates a changing magnetic field.

• This changing...read more
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Q3. Motor working principle
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Motor working principle
• A motor converts electrical energy into mechanical energy

• It operates on the principle of electromagnetic induction

• When current flows through a coil in a magnetic field, a force is generated, causing the coil to rotate

• This rotation is transferred to the motor shaft, resulting in mechanical motion

• Different types of motors include DC motors, AC motors, and stepper motors
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Q4. Type of motor and type of transformer
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The type of motor can be AC or DC, while the type of transformer can be step-up or step-down.
• AC motors are commonly used in household appliances and industrial machinery.

• DC motors are often used in electric vehicles and robotics.

• Step-up transformers increase voltage while step-down transformers decrease voltage.

• Transformers are used in power distribution systems to transfer electrical energy between different voltage l
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Q5. What is circuit breaker
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A circuit breaker is an electrical switch designed to protect an electrical circuit from damage caused by excess current.
• It automatically interrupts the flow of electricity when a fault is detected.

• It prevents damage to electrical equipment and reduces the risk of fire.

• Circuit breakers can be reset after tripping, unlike fuses which need to be replaced.

• They are commonly used in residential, commercial, and industrial a...read more
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Q6. Types of circuit
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There are three types of circuits: series, parallel, and combination.
• Series circuit: components are connected in a single path, current is the same throughout, voltage divides across components.

• Parallel circuit: components are connected in multiple paths, voltage is the same across components, current divides across paths.

• Combination circuit: a mix of series and parallel circuits, components are connected in both serie
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Q7. Dol starter power wiring and control
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Q8. What is CT and PT
Ans. 
CT stands for Current Transformer and PT stands for Potential Transformer.
• CT is used to measure high currents by stepping down the current to a manageable level.

• PT is used to measure high voltages by stepping down the voltage to a safe level.

• CT and PT are commonly used in power systems for protection, metering, and control purposes.

• CTs and PTs are typically connected to instruments, relays, or meters to provide accurat...read more
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Q9. What is register
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A register is a small amount of fast memory located within a computer's CPU.
• Registers store data that the CPU needs to access quickly.

• They are used to hold instructions, data, and addresses during the execution of a program.

• Registers are faster to access than main memory, allowing for faster processing.

• Examples of registers include the program counter, instruction register, and general-purpose registers.
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Q10. What is turbine
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A turbine is a device that converts the energy from a fluid flow into useful work.
• Turbines are commonly used in power generation to convert the energy of steam, water, or gas into mechanical energy.

• They consist of a rotor with blades that are driven by the fluid flow, causing the rotor to rotate.

• The rotation of the rotor can be used to generate electricity or perform other types of work.

• Different types of turbines incl...read more
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