Neelachal Ispat Nigam Electrical Technician Interview Questions and Answers

Q1. What is Dol starter ?
Ans. 
Dol starter is a type of motor starter used to start and stop motors in industrial applications.
• Dol stands for Direct-On-Line

• It is a simple and cost-effective method of starting motors

• It provides full voltage to the motor during starting

• It is commonly used for motors with low to medium power ratings

• Example: A Dol starter is used to start a conveyor belt motor in a factory
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Q2. What is encoder and decoder
Ans. 
Encoder and decoder are devices used to convert digital signals into analog signals and vice versa.
• Encoder converts digital signals into analog signals for transmission or storage

• Decoder converts analog signals back into digital signals for processing or playback

• Examples include MP3 encoders and decoders, video encoders and decoders, and barcode scanners
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Q1. AC and DC both are dengerous but AC more dengerous
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Q2. AC and DC both are dengerous but AC sine vev AC dengerous
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Q3. RCB to tha circuit breaker
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Q1. MCB in circuit breaker
Ans. 
MCB stands for Miniature Circuit Breaker, which is an electrical switch designed to protect electrical circuits from damage caused by overload or short circuit.
• MCB is a type of circuit breaker that automatically switches off the electrical circuit when it detects an overload or short circuit.

• It is commonly used in residential and commercial buildings to protect electrical appliances and wiring.

• MCBs have a trip mechanis...read more
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Q1. Motor ,transformar ,light ,panel
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Q2. Motor, transformar, light and panel
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Q3. Motor , transformar
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Q4. Transformar ,light
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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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Q1. Electrical maintenance
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Q2. Transformers maintenance
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Q3. Follow standard operating procedures
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All HD and LT Electric electric question

One leader and five member group discussion.

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. Star Delta starter, DOL starter, transformer, motor
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