Total No. of Pages-1 Roll No.254s04..02 SIXTH SEMESTER Biech (MD MID SEMESTER EXAMINATION March -2018 ME316 POWER PLANT ENGINEERING Time: 1:5 Hours Max. Marks: 30 Note: All questions carry equal marks. Assume suitable missing data, if any. Q.1{[A] Discuss the present energy scenario of India [6] [B] Explain the base load and peak load power plants Q.2[A] Discuss the points of consideration of layout of a [4] Thermal power plant. [B] Write a short note on classification of power plant. Q.3 [A] What is the difference between proximate analysis and [4] ultimate analysis of fuel. [B] Cocking and non-cocking of coal. Q4 Write a short note on following. [16] (a) Types of boilers (b) Blow down and dearator (c) Fuel handling system (d) Combined cycle Power plant END Scanned with CamScannerTotal no, Ofpages : 1 Roll No. —3 go— SIXTH SEMESTER B.Tech. (Even) (Branch -Mechanical) MID SEMESTER EXAMINATION MARCH 2019 CME 304 POWER PLANT ENGINEERING Time : 1.5 hr Max Marks: 20 Answer ALL questions. Assume missing data suitably if any. 1 Explain the Energy Scenario in India and discuss the various factors to be considered for selection of power plants. @) 2 With a neat sketch explain Cogeneration Power Plant. Distinguish captive power plant with cogeneration power plant @) 3 Explain the working of steam power plant with a neat sketch of layout of steam power plant. (3) “4 Explain properties of various types of Indian coals. (3) 5 Explain the load curve and its significance? Explain the following: (@) plant load factor (ii) plant capacity factor (iii) demand factor (4) 6(a) Explain briefly the following for a power station (@® Capital cost (ii) Operational cost (b) — Explain in briefly the concept of energy auditing. (4) Scanned with CamScanner— sw Total no. of Pages -01 SIXTH SEMESTER MID SEMESTER EXAMINATION March -2019 ME316 POWER PLANT ENGINEERING Time: 1:5 Hours Max. Marks: 30 Note: All questions carry equal marks. Assume suitable missing data, if any._ Q.1{A] Why majority of coal based thermal power plants are located near sea shore? B] [B] Explain the base load and peak load power plants. [3] Q2[A] Discuss the points of consideration of layout of a B] Thermal power plant. [B] Write a short note on classification of power plant. —_[3] Q.3[A] | What is the difference between proximate analysis and [3] ultimate analysis of fuel. [B] Write different types of cooling towers used in thermal power plant explain any one with neat sketch. Bl Q.4[A] _ Detail discuss the various components of hydro power plant with neat sketchyalso discuss the working principle of hydro power plant. B] [B] _ Explain the methods used to control pollution in thermal power plant and nuclear power plant. B] Q.5[A] _ State few techniques to improve the stability of thermal power plant. BI [B] _ Explain the working of electrostatic precipitator with neat sketch & explain the working of electrostatic precipitator | with neat sketch. BI END Scanned with CamScannera Roll no - Bech (AD Total No of Pag’ SIXTH SEME END SEMESTER EXAMINATION ME316 POWER PLANT ENGINEERING Max. Marks: 40 May -2019 Note: All questions carry equal marks. ‘Assume suitable missing data, if any. 41: (A) What are the principal parts of a nuclear reactor? Explain the working of each part. 4 (8) Explain the principle of operation of electro static precipitator (ESP) along with the suitable diagram. 4 2. (A) Give the classification of coal. What is proximate and ultimate analysis of coal? What do you mean by coking and non-coking of coal? 4 (8) Discuss the function of economiser and air preheater with neat sketch, 4 3. (A) Draw the line diagram and explain the working details ‘of hydro power plant giving salient points. 4 (8)Explain the method to control pollution in thermal and hydro power plants. 4 4. (A) What Is The Difference between Safety Valve , Pressure Relief Valve and What Is (nrv) Non Return Valve? Discuss i different of NRV used in thermal power plant a 4 Scanned with CamScannerTotal no of pages:01 Roll no SIXTH SEMESTER IT TILED MID SEMESTER EXAMINATION March -2020 ME-316 POWER PLANT ENGINEERING Time: 1:5 Hours Max. Marks: 30 Note: All questions carry equal marks, ‘Assume suitable missing data, if any. Q IA] Discuss the fiunction of economiser and air preheater with neat sketch, 1} [B] Explain the principle of operation of electro static precipitator (ESP) along with the suitable diagram. Q2 [A] Discuss the points of consideration of layout of a (4) ‘Thermal power plant. ij [B] Write a short note on classification of power plant, Q3[A] _ Define superheated steam and describe super critical boilers. (4) [B] Demonstrate a neat sketch of basic principle of FBC boilers. [4] Q4 Write a short note on following. [12] 2) Function of cooling tower b) Blow down and dearator c) Fuel handling system d) Combined cycle Power plant -End- Scanned with CamScannerTotal no, Of pag FOURTIL seme Roll No, (rane RCXAMINATION MARCH 2020 ME252_ POWER PLANT ENGINEERING MID sim Time 1.5 hr Answer ALL, questions, Assume mt {able and mottier chart is permitted, (a) energy. Max Marks: 20 issing data suitably if' any, Use of steam Explain i ‘ xplain in brief the conventional and non conventional sources of () Explain what You understand by base load and peak losd power plants, 1 Lerane tie Discuss the merits of base load and peak load power stations. (5) 2 Explain the working principle and Draw the layout of the following @) steam power plant (i) gas turbine plant, Discuss the merits and demerits of gas turbine power plant over steam power plant, (5) 3(a) What do you mean by steam boiler? Explain working and constructional details of any one moder high pressure boiler with neat ~~ sketch for coal based thermal power plant: (b) Explain the functions of the following : Air preheater, Economizer, Superheater ©) 4. Ina simple rankine steam power cycle steam is supplied to a steam turbine at 80 bar and 450° C and expands in the turbine to 0.1 bar. Determine (i) cycle efficiency and (ii) specific steam consumption in kg /kWhr. If the turbine and pump efficiencies are 90% and 85% respectively Determine (i) cycle efficiency and (ji) specific steam consumption in kg /kWhr, Comment on the results (5) Scanned with CamScannerRoll No. Total no. Of pages: 1 (Branch -Mechanical-) Sixth Semester B.Tech. END SEMESTER EXAMINATION MAY 2018 (Old Scheme) ME 314 POWER PLAT ENGINEERING Max Marks: 70 Time: 3 hr Answer any FIVE questions. Assume missing data suitably if any. . 1(a) What are the various types of power plant? What do you mean by base load and peak load? Discuss the merits and demerits of base load and peat load power stations? (b) Explain the various sources of Energy and Energy Scenario in India. ny 2(a) Discuss the various factors to be considered for selection of power plants. () With a neat sketch explain Cogenetation Power Plant. Distinguish captive power plant G2) with cogeneration power plant. 3(a) Whatis coal gasification? Explain the coal gasification with neat sketch. (&) Explain the working principle of coal pulverisation mills with neat sketch. Discuss the merits and demerits of coal pulverisation mills. a) 4(a) Explain the working of combined cycle gas turbine power plants with a neat sketch. Discuss the merits of combined cycle power plants. (b) With the help of a sketch briefly explain boiling water nuclear reactor. Under what circumstances a nuclear power station would be recommended for installation (7,7) 5 Explain the following with neat sketches () Working of hydro electric power plants (i) Diesel power plants on 6(a) Explain briefly the Instruments and controls used in power plants. (b) Explain briefly the economies of power generation. __ an 7 Explain the following () Energy auditing (i) | MHD- Steam power plant Scanned with CamScannerCUHTUDIVFELVIVUUUVECUS Total no. Of pages : 1 Sixth Semester Roll No. B.Tech(Even) (Branch -Mechanical-) END SEMESTER EXAMINATION MAY 2018 CME 304 POWER PLAT ENGINEERING Time: 3 hr Max Marks: 40 Answer any FIVE questions. Assume missing data spitably if any. 1(a) Explain the various sources of Energy. Discuss the merits of gaseous fuel over solid fuels. (b) With a neat sketch explain Cogeneration Power Plant. Distinguish captive power plant with cogeneration power plant. 6A) 2a) Explain working of anyone high pressure utility boilers with a neat sketch. (b) What is coal gasification? Explain the coal gasification with neat sketch, GA) 3(a) Explain the working principle of coal pulverisation mills with neat sketch, Discuss the merits and demerits of coal pulverisation mils. (b) Describe the fuel handling systems with neat sketch. Discuss the merits and demerits of unit system. 44) 4(a) Explain the working of combined cycle gas turbine power plants with a neat sketch. Discuss the merits of combined cele power plants, (b) With the help of a sketch show all the important parts of a nuclear reactor, describing briefly the functions of each part. Under what circumstances a nuclear power station would be recommended for installation? (4.4) the following ‘Working of hydro electric power plants Gi) Instruments and controls used in power plants (4,4) should be considered while designing a power plant? (b) Explain briefly the following fora power station (@ Capital cost (i) Operational cost (44) 7 Write short notes on the following (@ Diesel power plants (i) Combustion of fuels and excess air Gi) Energy auditing 233) Scanned with CamScannerTotal No, of Pages 2 RodI No. SIXTH SEMESTER A.TOCh/M.Tech/MRA/PRLA/ RTech, (Eval 1 END SEMESTER EXAMINATION May/Iune-2019 PAPER CODE; ME-314 (Old Scheme) & TITLE OF PAPER: Power Plant Engineering Time: 3:00 Hours Mar. Marks : 70 Note : Answer all question by Selecting any two parts frorn each questions. All questions Carry equal marks. Assume suitable missing data, if any. Q.Ila] What are various types of power plants? What do you mean by base load and peak load? Discuss the merits and demerits base load and peak load power plants. qa [b] Describe a neat line diagram of in-plant coal handling system and explain the equipment used at different stage. @ [c] What is mean by Topping and Bottoming Cycle Cogeneration systems? Where does cogeneration find its application? (7) Q.2[a] Explain the Principle of pulverised coal firing system with neat sketch. Discuss the merits and demerits of pulverised coal firing. @) [b] Classify various Ash handling system. Explain Pneumatic and Steam jet ash handling system. @ [c] Explain the working of Electrostatic Precipitator with neat sketch of its basic elements. () Q.3[a] A textile factory requires 10 t/h of the steam for Process heating at 3 bar saturated and 1000 kW of power, for which a back pressure turbine of 70% internal efficiency is to be used. Find the steam condition required at inlet of the turbine. Q) Page 1 of 2 Scanned with CamScanner— 563- with a schematic. Explain the What are the advantages ang a magneto hydrodynamic direct t along with their auxiliary [b] Describe PWR power plant functions of a pressurriser- disadvantages? ’ atic diagram of [e] Draw the schemat of mag energy conversion power feneration uni as 0 iscuss the principle. components and discuss the pri ; Q.4[a] Explain the layout (showing the various components) tn operation of a hydroelectric power plant. ra @ [b] How to make use of the tides for power generation based on their capacities? Explain the principle of operation. () [c] Explain how steam temperature and feed water temperature measurements are performed. What are the sources of error in measurement? . Q.5[a] Describe with a neat schematic, the principle and constructional details of thermal conductivity type oxygen analyzer. @ [b] Write brief notes on water pollution monitoring instruments? Enumerate the latest pollution laws in existence. (7) [c] The initial investment in a power plant is Rs. 4000 crore. After 4 years, a further Rs 1200 crore have to be paid and from the Sth onward to the 12th year Rs 400 crore per year are paid. The salvage value of the plant after 30 years will be Rs, 600 crore. The interest rate is 10%. Estimate the Present worth of these payments at the time of commissioning, (7) Page 2 of2 Scanned with CamScanner