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Seat No.: Enrolment
GUJARAT TECHNOLOGICAL UNIVERSITY
PDDC- SEMESTER-IV EXAMINATION SUMMER 2017
Subject Code: X41903 Date:31/05/2017
Subject Name: Power Plant 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.
Q.1

Explain the pollution from thermal power plants and its control.
07

List out the factors to be consider while selecting a site for nuclear power plant. Explain each factor in brief.
07
Q.2

Explain with neat sketch the construction details and working of Loeffler boiler.
07

What are the advantages and disadvantages of pulverized coal firing?
07
OR

With neat sketch explain the four main circuits of modern thermal power plant.
07
Q.3

Explain with neat sketch Boiling Water Reactor. Also write its advantages and disadvantages.
07

Explain different components of Nuclear reactor with neat sketch.
07
OR
Q.3

Write a short note on: CANDU reactor
07

Write a short note on: Nuclear Fuels
07
Q.4

Explain the following terms giving suitable examples Connected load
Average load Plant capacity factor Diversity factor.
07

Write a short note on: Cooling towers
07
OR
Q.4

What do you mean by load curve? What is its significance?
07

Explain the terms: Condenser efficiency Vacuum efficiency.
How the quantity of circulating cooling water mass for condenser is calculated?
07
Q.5

Draw the layout of diesel power plant. Describe its various systems in brief.
07

Discuss the Unique features of the High pressure boilers.
07
OR
Q.5

What do you mean by boiler draught? Derive the equation of chimney height.
07

Explain sea water treatment using reverse osmosis process.
07