Code No. 2056 FACULTY OF ENGINEERING B.E. 3/4 (Inst.) II Semester (Suppl.) Examination, December 2012 Subject: Power Engineering Time: 3 Hours
Max.Marks: 75
Note : Answer all questions from Part A. Answer any Five questions from Part B. PART – A (25 Marks) 1. What is an economizer? 2. Write the equation for specific speed. 3. What are the advantages of nuclear power plant over other power generation techniques? 4. What is the need for a Penstock in hydro power plant? 5. Define “Tariff”. 6. Explain how supply voltage effect transmission efficiency. 7. Write about conductor spacing with an equation for “Sag allowed”. 8. Draw the schematic of a circuit breaker. 9. Explain the significance of hydrograph. 10. What is a Relay? PART – B (50 Marks) 11.
Explain the working of thermal power station with a neat layout diagram.
12.(a) Define Depreciation. Explain different types of ways to calculate depreciation. (b) Write principle of operation of Nuclear power plant. 13.(a) Derive an expression for capacitance of a single-phase line having radius ‘r’ meters and spacing ‘d’ meters between them. (b) Explain how supply voltage effect transmission efficiency. 14.(a) The voltage at receiving end of a 1 - short line is 3.3 KV. Find the sending end voltage if the line impedance is (0.6 + j 0.8)Ω, load is 1 MVA at 0.8 lagging power factor. (b) Define the term regulation for a short line and derive its equation. 15.
Explain with a neat diagram, the working of a differential relay.
16.
Explain hydro electric power plant with diagram.
17.
Write short note on: (a) Coal pulverizing mechanism (b) Different conductors used in power transmission. ****
b) Piezoelectric transducer (5). ******. Page 1 of 1. Vasavai CE B.E Inst. 2nd Year Dec 2012 Transducer Engineering.pdf. Vasavai CE B.E Inst. 2nd Year Dec ...
Page 1 of 2. Code No. 2342 / N. FACULTY OF ENGINEERING. B.E. 3/4 (Mechanical) I â Semester (New) (Main) Examination, Nov. / Dec. 2012. Subject : Applied Thermodynamics. Time : 3 hours Max. Marks : 75. Note: Answer all questions from PartâA and an
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(b) Servo operated E.M. flow meter. ****. Page 1 of 1. Vasavai CE B.E Inst 3rd Year Dec 2012 Instrumentation SystemsâII.pdf. Vasavai CE B.E Inst 3rd Year Dec ...
Define direct sequence spread spectrum and frequency hoping spread spectrum. (2). PART â B (50 Marks). 11.(a) What is quantization noise and derive the ...
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Explain about Mobile IP in detail. (10). 16.(a) Discuss the features of Windows CE. (5). (b) Explain the architecture of DECT. (5). 17.(a) Explain about various file ...
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Write short notes on: (a) Tunneling (5). (b) Public key algorithm (5) ****. Page 1 of 1. Vasavai CE B.E IT 3rd Year Dec 2012 Computer Networks.pdf. Vasavai CE ...
What do you understand by the term 'design quality'? (2). 7. What is software architecture? (2). 8. List the golden rules of user interface design. (3). 9. What is ...
Vasavai CE B.E Inst 3rd Year Nov 2012 Instrumentation Systems - I.pdf. Vasavai CE B.E Inst 3rd Year Nov 2012 Instrumentation Systems - I.pdf. Open. Extract.
Define (i) bsfc and (ii) isfc as applied to an Internal Combustion Engine. ... Explain the basic principle of evaporative cooling that is used in cooling towers in.
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Find the MGF of Chi-square variate. (2). 8. Obtain the mean of Gamma variate. (3). 9. Define correlation, negative correlation between two variables. (2). 10.
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