MOIL Electrical Technician Interview Questions and Answers

Q1. Plc and scada analog Electronics
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Q2. Transmission and destitution
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Q3. Electrical machine
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Q4. Basic of Electrical engineering
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Q5. Digital electronics
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Q6. Electrical instrument and measurement
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Q1. What is your last job
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Q2. What is your previous company responsibility
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Q3. What about safety
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Motor kaise check karte h?
Cabale ka size kaisa hota h?
Mageer kya hota h?
Dol startater kaise banaye ?
Aur startater ka kya kam hota h?
Mpcb ka full form kya h?

Q1. Encoder kya kam karta h? MTS ka kya kam hota h? Motor ka current kaise nikate h? Agar motor burn ho to kaise pta karenge?
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Q1. Cabel size kaise pata karen? Motor ko bina stater ke chalane se kya hoga?
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Q1. How many types of statars
Ans. 
There are two main types of stators: salient pole stators and non-salient pole stators.
• Salient pole stators have protruding poles, which are commonly used in hydroelectric generators.

• Non-salient pole stators have a smooth cylindrical shape and are typically used in gas and steam turbines.

• Other types of stators include wound stators and squirrel cage stators.
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Q2. Draw u dol diagram
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A u dol diagram is a type of electrical diagram used to represent a three-phase transformer connection.
• A u dol diagram consists of three sets of windings connected in a U shape, with the primary winding connected to the supply and the secondary winding connected to the load.

• The diagram shows the connections of the primary and secondary windings, as well as the neutral point if applicable.

• U dol diagrams are commonly use...read more
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Q3. How many types of motor s
Ans. 
There are two main types of motors: AC motors and DC motors.
• AC motors: Alternating current motors that are commonly used in household appliances and industrial applications.

• DC motors: Direct current motors that are often used in small household devices, electric vehicles, and robotics.
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Q1. What is electricity ?
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Electricity is the flow of electric charge through a conductor.
• Electricity is the flow of electrons through a conductor.

• It is a form of energy that powers electrical devices.

• Electricity can be generated from various sources such as coal, wind, solar, etc.

• It is essential for modern society and is used in various applications like lighting, heating, and transportation.
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Q1. 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 electri
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Q2. ACB and VCB ?
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All HD and LT Electric electric question

One leader and five member group discussion.

Q1. 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

• Exampl
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Q2. 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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Q3. Benefits of HT motor
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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 lar
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Q4. What is VFD drive?
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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 adjus...read more
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