L&T Power Project Management Executive Interview Questions and Answers

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Q1. It was difficult. Questions were highly technical . Revise basic concepts for thermodynamics , heat transfer.
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Q2. Critical point of water
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Critical point of water is the temperature and pressure at which liquid and gas phases of water become indistinguishable.
• Critical point of water is at 647 K temperature and 22.064 MPa pressure.

• At critical point, water can exist as both liquid and gas phases simultaneously.

• Above critical point, water cannot exist in liquid state regardless of pressure.

• Critical point is important in chemical and industrial processes such...read more
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Q3. Purification process of water
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Purification process of water involves removing impurities and contaminants to make it safe for consumption.
• Physical processes like sedimentation, filtration, and distillation are used to remove impurities.

• Chemical processes like chlorination and ozonation are used to kill bacteria and viruses.

• Advanced technologies like reverse osmosis and ultraviolet radiation are also used for purification.

• The quality of water after ...read more
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