EEE 3rd sem-EPG question bank Unit -1 1.)a.) Explain the following terms: i. Demand factor ii. Average load (2M) b.)The load on a power plant on a typical day is given under: Time(in hour) Load(MW) 12-5 am 20 5-9 am 40 9-6 pm 80 (7M) 6-10 pm 100 10-12 midnight 20 Draw the load duration curve. Find the load factor and energy supplied by the plant throughout the day. c.) Comparison of different sources of energy? d.) What is the need of non-conventional energy sources in India? 2.)a.)Define load factor .discuss its importance? b.)The load curve of an electrical system is linear with the following values at different times: time 12 am 2am 5am 8am 5pm 6pm 9pm (7M) (7M) (2M) (7M) 11pm 20 Load 20 10 10 50 50 100 100 (MW) Find the load factor, plot chronological load curve and load duration curve for the system, find the capacity factor and utilization factor if the station capacity is 125MW c.) Discuss the different sources of energy available in nature? (7M) d.) Explain in detail about the variation in demand using chronological load curve? (7M) 3.)a.) What is load factor and capacity factor? (2M) b.) The maximum demand of a power plant is 80MW.the capacity factor is 0.5 and utilization factor is 0.8 .find loadfactor, plantcapacity, reserve capacity, annual energy production? (7M) c.) What is mass curve and load duration curve explain in detail? (7M) d.) What are the various sources of energy and explain their merits and demerits? (7M) 4.)a.) Whatis diversity factor and its types? (2M) b.) The annual load duration curve of a small hydroplant shows 438*10 kwh of energy during the year.it is a peak load plant with 20% annual load factor. Find the station capacity. if plant capacity factor is 15%,find the reserve capacity of the plant? (7M) c.) A residential consumer has the followingconnected load:8 bulb of 100W each,2 fans of 60W each and 2 light plug points of 100W each.his use of electricity during a day is as under: (7M) 12midnight to 5am-1 fan 5am to 7am-2 fan s and 1 light point 7am to 9am-nil 9am to 6pm-2 fans 6pm to midnight-2 fans and 4 bulbs Find connected load,maximum demand,demand factor d.) Compare the different sources of energy? (7M) Unit-2 1.)a.)Name the main parts of a modern thermal plant? (2M) b.)Write short notes on ash handling plant and coal handling plant?(7M) c.) What are the advantages and disadvantages of steam power plant?(7M) d.) Draw the typical layout of a steam power plant and explain the main features of the layout?(7M) 2.)a.) Howare boilers classified? (2M) b.) Briefly describe the functions of condenser,economiser?(7M) c.) Explain the working of thermal power plant with a layout diagram?(7M) d.) Explain in detail about the steam turbines and its classification?(7M) 3.)a.) Differentiate impulse,reaction turbine? (2M) b.) Draw a neat sketch of thermal power plant and explain its parts in detail?(7M) c.) What is the role of a boiler in thermal power plants and explain different types of boilers?(7M) d.) Explain about air-preheater with a neat sketch?(7M) 4.)a.) What is super heater? (2M) b.) Write short notes on cooling tower and feed water heater?(7M) c.) Explain about the working of a thermal power plant with a neat sketch?(7M) d.) What are the different types of boilers ,turbines and explain them in detail?(7M) Unit-3 1.)a.)Write any two advantages and disadvantages of hydro power plant? (2M) b.)define and explain the following-hydrology, hydrograph, run-off?(7M) c.)explain in detail about mass curve and flow duration curve?(7M) d.)draw and explain the main parts of nuclear power plant?(7M) 2.)a.)what are the factors to be considered for the selection for hydroelectric plants? (2M) b.)write down the advantages and disadvantages of hydroelectric power plants?(7M) c.)explain the main components of nuclear reactors?(7M) d.)explain the pressurised water reactor(PWR)?(7M) 3.)a.)define nuclear fusion? (2M) b.)explain reactor control in nuclear power plant?(7M) c.)what are the different types of hydro turbines used in hydroelectric power plants? what are their characteristics?(7M) d.)discuss the types of dams used in hydroelectric station?(7M) 4.)a.)define the nuclear chain reaction? (2M) b.)define and explain about binding energy and mass defect?(7M) c.)explain the terms multiplication factor and critical size in detail?(7M) d.)explain the main components of hydropower plant and also draw the block diagram?(7M)