Download GTU BE/B.Tech 2019 Winter 5th Sem Old 151906 Conventional Power Engineering Question Paper

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Winter 5th Sem Old 151906 Conventional Power Engineering Previous Question Paper

Seat No.: ________ Enrolment No.___________

GUJARAT TECHNOLOGICAL UNIVERSITY

BE - SEMESTER ?V (Old) EXAMINATION ? WINTER 2019
Subject Code: 151906 Date: 27/11/2019

Subject Name: Conventional Power Engineering
Time: 10:30 AM TO 01:00 PM Total Marks: 70

Instructions:

1. Attempt all questions.

2. Make suitable assumptions wherever necessary.

3. Figures to the right indicate full marks.

4. Use of Steam tables are permitted

Q.1 (a) Explain Rankine cycle showing main components by line diagram and draw T-S
and P-V diagrams for the same.
07
(b) Explain Compounding of steam turbines with diagrams. 07

Q.2 (a) A power plant using steam as working fluid operates on a Rankine cycle. The
boiler and condenser pressures are 30 bar and 1 bar. The condition of steam
entering the prime-mover is dry and saturated. Find the thermal efficiency of the
cycle (a) neglecting the feed pump work and (b) considering the feed pump work
07
(b) Draw general layout of modern thermal power plant. 07
OR
(b) Explain combine cycle power plant. 07

Q.3 (a) What is governing of steam turbines? Enlist governing methods and explain any
one in detail.
07
(b) Give the classification of steam turbines and briefly explain each. 07
OR
Q.3 (a) Classify Gas turbines and differentiate open cycle and close cycle gas turbines. 07
(b) Discuss the methods of meeting variable loads on power plant. 07

Q.4 (a) Explain the methods for improving the efficiency of gas turbine power plants with
T-S diagrams.
07
(b) Explain working of hydro-electric power generation plant with diagram and 07
briefly explain types of hydraulic turbines.
OR
Q.4 (a) Explain PWR reactor with neat sketch. 07
(b) Explain Thermostat and Evaporative cooling system of Diesel Power Plant. 07

Q.5 (a) Describe briefly the function of various components of Pelton turbine with neat
sketch.
07
(b) Enlist all the systems of Diesel Power Plant and explain any one with neat sketch. 07
OR
Q.5 (a) Draw neat sketch of Nuclear reactor and explain function of all the components
and materials used for that.
07
(b) Define : Peak load, Base load, Load factor, Plant use factor, Demand factor,
Connected load and diversity factor.
07


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