Power Plants Economics Interview Questions and Answers: 1. State factors on which generating cost depends. Ans. The generating cost per unit (kWh) of energy depends upon the cost covering the purchase, installation and erection of…
Interconnected Systems Interview Questions and Answers: 1. Why are alternators put in parallel ? Ans. For high efficiency of operation, reliability, convenience and economy in maintenance and repair and possibility of additions to plant capacity…
Cogeneration and Energy Conservation Interview Questions and Answers: 1. What do you mean by word 'cogeneration' ? Ans. Cogeneration is sequential of energy contained in fuel into two or more usable forms. In one manifestation…
Environmental aspects of Electric Energy Generation Interview Questions and Answers: 1. Name various stack emissions. Ans. Thermal power plants using fossil fuels emit large amount of harmful gases such as SO2, nitrogen oxides (NOx), CO,…
Combined Operation of Power Plants Interview Questions and Answers: 1. Why is it necessary to operate hydro and steam plants in combination ? Ans. It is necessary to operate hydro and steam plants in combination…
Economic Operation of Power Plants Interview Questions and Answers: 1. Is the cost of fuel directly proportional to power output ? Ans. No, the cost of fuel does not vary directly in proportion to the…
Selection of Power Plant Interview Questions and Answers: 1. Why are diesel power plants rarely used ? Ans. Diesel power plants have limited field of application as emergency power plants in private industries and other…
Non Conventional Methods of Power Generation Interview Questions and Answers: 1. What are renewable and non-renewable energy resources ? Ans. Renewable energy resources are those resources which can be used to produce energy again and…
Turbine Power Plants Interview Questions and Answers: 1. What for a starting motor is required in a gas turbine power plant ? Ans. An electric motor is required for starting the compressor, which is required…
Diesel Electric Power Plants Interview Questions and Answers: 1. What is the basic difference between a diesel engine and steam turbine ? Ans. The basic difference between a diesel engine and a steam turbine is…