Power Grid Corporation of India Diploma Civil Engineer Interview Questions and Answers for Freshers

Q1. What are your observations during taking round of your area.
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Q1. What are the factors which affect Power plant efficiency.
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Factors affecting power plant efficiency include type of fuel, technology used, maintenance, and operating conditions.
• Type of fuel used (coal, natural gas, nuclear, etc.)

• Technology used in the power plant (combined cycle, cogeneration, etc.)

• Maintenance practices (regular maintenance vs. neglect)

• Operating conditions (temperature, pressure, load demand)

• Efficiency of heat transfer processes

• Size and age of the power plant

• E...read more
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Q1. Boiler operation
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Q2. MS safety valve working
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MS safety valve is a device used to prevent overpressure in a system.
• MS safety valve is typically installed in pipelines, vessels, or equipment to protect against excessive pressure.

• When the pressure exceeds the set limit, the valve opens to release the excess pressure and prevent damage to the system.

• The valve is designed to automatically close once the pressure returns to a safe level.

• MS safety valves are commonly us...read more
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Information of transformer , switchgear, electrical safety rules , Indian constitution rules of electricity.

Q1. Types of switchgear and basic knowledge of sweet operation.
Ans. 
Switchgear types include air-insulated, gas-insulated, and hybrid switchgear. Basic operation involves controlling electrical power flow.
• Air-insulated switchgear uses air as the insulation medium

• Gas-insulated switchgear uses sulfur hexafluoride (SF6) gas as the insulation medium

• Hybrid switchgear combines air-insulated and gas-insulated switchgear

• Switchgear operates by controlling the flow of electrical power

• Switchgear ...read more
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Q2. Different types of transformer and there rating in kv Difference between lv and hv side.
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Different types of transformers and their ratings in kV. Explanation of LV and HV sides.
• Transformers: Power, Distribution, Auto, Isolation, Instrument, etc.

• Ratings: 1 kV, 11 kV, 33 kV, 66 kV, 132 kV, 220 kV, 400 kV, etc.

• LV side: Low Voltage side of transformer, typically below 1 kV.

• HV side: High Voltage side of transformer, typically above 1 kV.

• LV side is used for distribution while HV side is used for transmission.

• LV ...read more
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Q1. Tell me about yourself.
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Q2. Notice period of my present organisation
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Q1. Site based question about TG Deck Slab, Ash Handling Package
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Discuss work related questions

Q1. Salary discuss and other accommodation
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Gate 2017 test for appti. bsnsn

Q1. What is your r strength
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Q2. How do you read newspapers
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