Ocl Iron & Steel Electrical Technician Interview Questions and Answers

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 ?
Ans. 
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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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. 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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Q1. 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 appliance...read more
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Q2. Transformers types
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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 ar...read more
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Q4. 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, commercia...read more
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Q5. 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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Q1. Electrical maintenance
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Q2. MCC PCC MOTOR crane
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Q3. Crane maintenance
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Q4. HT &T Motor PM ,Motor magaring
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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
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 lar
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Q4. 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 adjus...read more
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Q1. Electrical maintenance
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Q2. Transformers maintenance
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Q3. Follow standard operating procedures
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