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SKG Engineering Company Interview Questions and Answers

Updated 12 Sep 2024
Popular Designations

Q1. Rccb full form and what is use this all ower company

Ans.

RCCB stands for Residual Current Circuit Breaker. It is used in electrical systems to protect against electric shock and fire hazards.

  • RCCB is a type of circuit breaker that detects imbalances in the electrical current flowing through a circuit.

  • It quickly disconnects the power supply when it detects a leakage current, which could indicate a fault or electric shock hazard.

  • RCCBs are commonly used in residential, commercial, and industrial electrical installations to enhance safe...read more

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Q2. Earthing types and who many voltage Earthing

Ans.

There are different types of earthing such as TN, TT, and IT. The voltage of earthing can vary depending on the type of earthing system.

  • Types of earthing include TN, TT, and IT

  • TN system has a voltage of 230V to earth

  • TT system has a voltage of 400V to earth

  • IT system has a voltage of 400V to earth

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Q3. Mcb full form what can use this

Ans.

MCB stands for Miniature Circuit Breaker, used for electrical protection in homes and buildings.

  • MCB is a type of circuit breaker that automatically switches off electrical circuits during abnormal conditions.

  • It is commonly used in homes, buildings, and electrical panels to protect against overcurrent and short circuits.

  • MCBs come in different ratings such as 6A, 10A, 16A, etc., to suit different electrical loads.

  • They are more compact and easier to install compared to tradition...read more

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Q4. What is transformer ?

Ans.

A transformer is a device that transfers electrical energy between two or more circuits through electromagnetic induction.

  • Consists of two or more coils of insulated wire wrapped around a core

  • Primary coil receives electrical energy and induces a magnetic field in the core

  • Secondary coil receives the magnetic field and converts it back to electrical energy

  • Used in power distribution, voltage regulation, and isolation

  • Examples: step-up transformer, step-down transformer

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Q5. What is HT motor?

Ans.

HT motor stands for High Tension motor, which is a type of motor designed to operate at high voltages.

  • HT motors are designed to operate at voltages higher than 1000V.

  • They are commonly used in industrial applications where high power output is required.

  • HT motors are more efficient and have better power factor compared to low tension motors.

  • Examples of HT motors include induction motors, synchronous motors, and DC motors.

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Q6. What is VFD drive?

Ans.

A VFD drive, or Variable Frequency Drive, is a type of motor controller that drives an electric motor by varying the frequency and voltage supplied to the motor.

  • Controls the speed and torque of an electric motor by varying the frequency and voltage of the power supplied

  • Used in applications where precise control of motor speed is required, such as in industrial automation and HVAC systems

  • Helps in energy savings by adjusting motor speed to match the load requirements

  • Can be prog...read more

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Q7. What is motor ?

Ans.

A motor is a device that converts electrical energy into mechanical energy to produce motion.

  • Motors can be found in various applications such as industrial machinery, household appliances, and vehicles.

  • There are different types of motors including AC motors, DC motors, and servo motors.

  • Motors consist of a rotor, stator, and various components such as coils, magnets, and brushes.

  • Common examples of motors include electric fans, washing machine motors, and car engines.

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Q8. Election motors types

Ans.

Electric motors can be classified into various types based on their construction and operation.

  • Types of electric motors include DC motors, AC motors, synchronous motors, asynchronous motors, brushed motors, brushless motors, etc.

  • DC motors operate on direct current and are commonly used in applications like electric vehicles and robotics.

  • AC motors operate on alternating current and are widely used in household appliances and industrial machinery.

  • Synchronous motors maintain a c...read more

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Q9. Benefits of HT motor

Ans.

HT motors offer higher efficiency, better power factor, and improved reliability compared to standard motors.

  • Higher efficiency leads to lower energy consumption and cost savings.

  • Better power factor reduces electricity wastage and improves overall system performance.

  • Improved reliability results in less downtime and maintenance costs.

  • HT motors are suitable for high-demand applications such as industrial machinery and large HVAC systems.

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Interview Process at SKG Engineering Company

based on 11 interviews
1 Interview rounds
Technical Round
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