Rajhans (Desai-Jain) Group Service Incharge Interview Questions and Answers

Q1. Hr will ask for the previous experience also for the package
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Q1. Why there is no nutral in DG
Ans. 
There is no neutral in a DG (Diesel Generator) because it operates on a single-phase system.
• DGs are typically single-phase systems, meaning they do not have a neutral wire.

• The output of a DG is usually two wires - one phase and one ground.

• In contrast, a three-phase system would have three phases and a neutral wire.

• The absence of a neutral in a DG simplifies the wiring and operation of the generator.
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Q1. General like discussion previous experience
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Q2. Asking gernal & basic mathematic etc
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Q1. What is the transformer protections. Antipumping system how it's work
Ans. 
Transformer protections include overcurrent, overvoltage, differential, and earth fault protection. Antipumping system prevents multiple closing of the circuit breaker.
• Transformer protections are necessary to prevent damage to the transformer and ensure safety.

• Overcurrent protection is used to protect the transformer from excessive current flow.

• Overvoltage protection is used to protect the transformer from excessive vo...read more
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Discuss about Hike on Delhi Metro fare price hike

Q1. About yourself, your hobbies, your area of interest
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Q1. HT Panels , LT panels ,lift safety, Transformers, capacitor bank, Single phase prevent
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