1) Describe the coal handling system in detail.
2) Describe about any two dust collectors with the help of neat sketch.
3) Specify the various kinds of cooling towers. Describe any two cooling towers with the help of neat sketch.
4) Compute the boiler thermal efficiency, if the boiler produces 20,000 kg of steam at 10 bar dry and saturated. The amount of coal used is 2000 kg and the calorific value of coal is 36,000 kJ/kg. The feed water enthalpy is 448 kJ/kg.
5) Develop a sketch, describe the closed cycle and open cycle gas turbine.
6) Describe the several elements of nuclear reactor briefly.
7) describe photovoltaic cells with the help of neat sketch.
8) Draw and specify the tidal power plants.
9) A power plant supplies the following loads to customers:
Time in hrs 0 -5 5 - 9 9 - 12 12 -17 17 - 20 20 – 22 22 - 24
Load in MW 30 60 75 50 90 80 50
a) Sketch the load curve
b) Find the load factor of the power plant and energy consumed during 24 hours.
10) Describe the treatment of waste water from the demineralization plant in order to control the water pollution.