POWER PLANT ENGINEERING

POWER PLANT ENGINEERING(Mechanical Engineering)Time: 3 hours Max Marks: 80Answer any FIVE QuestionsAll Questions carry equal marks

1. (a) Explain the different components used in steam power plant.(b) What are the basic coal ingredients and how do they affect furnace design.[8+8]2. (a) What are the different types of cooling towers? What is an FD cooling tower?Mention its merits and demerits?(b) Define:i. Approachii. Range andiii. Cooling efficiency of a cooling tower [16]3. (a) Mention the advantages and disadvantages of a diesel power plant over a gasturbine power plant.(b) Give a maintenance schedule for Diesel engine power plant. [8+8]4. (a) What are the functions of surge tank and fore bay?(b) Explain the various types of dams that are used in electric power generation.[8+8]5. (a) What are the various factors to be considered in the selection and location ofa wind mill?(b) Explain the construction and operation of a two blade wind mill. [8+8]6. (a) List out the advantages of closed cycle gas turbine plant over open cycle one.(b) Draw the layout of a gas turbine power plant indicating the various componentsand their functions.(c) What are the different methods used to improve the thermal efficiency of opencycle gas turbine plant? [4+6+6]7. (a) Explain the function of a moderator. What is the criterion of its effectiveness?(b) What are the different fuels used in nuclear power plants.(c) Describe a Homogeneous reactor. [16]8. (a) Define:i. Demand factorii. Maximum demand1 of 2Code No: NR410304 NRiii. Connected load [6](b) A generating station has a maximum demand of 20 MW, a load factor of 60% , a plant capacity of 48 % and a plant use factor of 80 %. Find.i. The daily energy produced.ii. The reserve capacity of the plant.iii. The maximum energy that could be produced daily, if the plant whenrunning were fully loaded. [10]