NTPL Thermal Power Station Interview Questions and Answers

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Scope of Renewable energy in India

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Q1. Define current.
Ans. 
Current is the flow of electric charge in a circuit.
• Current is measured in Amperes (A).

• It is the rate of flow of electric charge through a conductor.

• Current flows from the positive terminal to the negative terminal in a circuit.

• There are two types of current - direct current (DC) and alternating current (AC).
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Q2. How calculate conductors dia.
Ans. 
Conductors diameter can be calculated using the formula: diameter = sqrt((4 * area) / pi)
• Calculate the area of the conductor (usually circular) using the formula: area = pi * (radius^2)

• Determine the radius of the conductor

• Use the formula: diameter = sqrt((4 * area) / pi) to calculate the diameter
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Q1. Civil question regarding Construction Management, survey, RCC etc
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Q2. What is the ratio of Cement sand and aggregate in M20?
Ans. 
The ratio of cement, sand, and aggregate in M20 concrete is 1:1.5:3.
• The ratio of cement to sand to aggregate is 1:1.5:3 in M20 concrete.

• For every 1 part of cement, 1.5 parts of sand and 3 parts of aggregate are used.

• This ratio ensures the desired strength and workability of the concrete mix.
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Q1. Oil air compressor defects and rectification
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Q1. I was hired for condition monitoring roll. It was basic questions with vibration analysis. You should know the basics and case study.
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