Power plant Engineering — Summer 2022

Enlist main components of thermal power plant.

Draw neat sketch of La-Mont boiler.

Discuss with flow diagram various stages in coal handling system.

Give classification of draught.

Explain principle operation of steam turbine.

Comparison between forced draught and induced draught.

Prove that velocity of steam flowing through nozzle is C =2 44.72√ℎ −ℎ m/s12

Define the following terms related to condenser. (1) vacuum efficiency (2) condenser efficiency

What is blow down? Why it is needed?

Prove that optimum pressure ratio for maximum work output in actual cycle 𝛾 is r = [ T 3]2(𝛾−1) p T1

Write advantages and disadvantages of gas turbine over steam turbine plants

Explain with neat sketch the blade cooling of gas turbine.

Explain effect of operating variables on work ratio.

With neat sketch list components of Nuclear Reactor.

Discuss various factors to be considered while site selection of nuclear power plant.

What is Nuclear waste? How it can be disposed? Give diagram of nuclear life cycle.

What is Nuclear fusion and fission?

Explain throttle governing of steam turbine.

With neat sketch explain Can type combustor with swirl flow flame stabilizer

Explain briefly following terms: (1) Load curve (2) Load duration curve.

The following loads are connected to a power plant : Types of load Max demand MW) Diversity factor Demand factor Domestic 20 1.23 0.70 Commercial 30 1.20 0.88 Industrial 60 1.30 0.97 If the overall diversity factor is 1.45, determine (i) the maximum load (ii) the connected load of each type.

Explain wind power generator with schematic diagram.

What is the significance of two part tariff and three part tariff?

Define the following terms: (1) Peak Load (2) Average Load (3) Plant capacity factor (4) Connected Load

What is concentrating solar-thermal power (CSP) technology and how does it work? Explain with line diagram.