Gujarat Technological UniversitySummer 2026 examination

GTU 2171910 Power Plant Engineering Summer 2026 Question Paper & PDF

B.E. · Mechanical Engineering · Semester 7 · Subject code 2171910
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Total
70 marks
To pass
23 marks (33%)
Duration
2.5 Hours 2:30 PM – 5:00 PM
Questions
5 with internal choice
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3 of 25 questions on this paper were also asked in other years. Each is marked below with the years it appeared.See all 3 repeated 2171910 questions, most asked first

Q.1

14 Marks
(a)
3 marks
State the functions of following components of thermal power plant:
1Economizer, 2. Superheater 3.Feed pump
(b)
4 marks
Explain with neat diagram the working of Benson Boiler
(c)
7 marksAsked in 2 of 2 papers

Draw general layout of thermal power plant and label various components and name various circuits.

Also asked in Summer 2025 Q1c

Q.2

14 Marks
(a)
3 marks
What do you mean by the compounding of steam turbine?
(b)
4 marksAsked in 2 of 2 papers
Compare forced and induced draught.

Also asked in Summer 2025 Q3b

(c)
7 marks
Describe with neat diagram the pneumatic and hydraulic ash handling systems.
(c)
7 marks
Explain the pressure compounding impulse turbine with neat sketch

Q.3

14 Marks
(a)
3 marks
State the functions of the following in nuclear power plant :
i)Moderator
ii)Radiation shield
iii)Coolant
(b)
4 marks
Compare open cycle and close cycle gas turbine.
(c)
7 marks
Explain with neat sketch construction and working of Boiling water reactor.
(a)
3 marks
Discuss any one method of cooling of gas turbine blade.
(b)
4 marks
Write short note nuclear waste and its disposal.
(c)
7 marks
Explain with neat sketch construction and working of CANDU type reactor

Q.4

14 Marks
(a)
3 marks
Define thrust, thrust power and propulsive power.
(b)
4 marks
Describe with neat diagram the combined steam and gas turbine plant
(c)
7 marks

Describe the effects of operating variables on the thermal efficiency and work ratio of gas turbine plant.

(a)
3 marks
Differentiate between jet and rocket engines.
(b)
4 marks
Differentiate between ramjet and pulsejet engine.
(c)
7 marks
Derive the equation of thermal efficiency of gas turbine plant as per brayton cycle.

Q.5

14 Marks
(a)
3 marks
State the principle of reverse osmosis process.
(b)
4 marks
Explain with diagram the working of Steam Condenser.
(c)
7 marks
Define the following terms:-
i)Average load
ii)Peak load
iii)Connected load
iv)Demand factor
v)Plant Capacity factor(vi) Diversity factor
vii)Plant use factor
(a)
3 marksAsked in 2 of 2 papers
What is the necessity of feed water treatment?

Also asked in Summer 2025 Q4a OR

(b)
4 marks
Describe with diagram the working of natural draught hyperbolic cooling tower.
(c)
7 marks
Explain the load curves and load duration curves.

More Power Plant Engineering papers

Questions repeat across sessions. Working through two or three papers shows you which topics GTU asks most.

Summer 202570 marks · 5 questions

Other Semester 7 subjects

BE Mechanical

2171901
Operation Research
2171903
Computer Aided Manufacturing
2171909
Machine Design
2171912
Oil Hydraulics and Pneumatics

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About this paper

Official Gujarat Technological University (GTU) examination paper for Power Plant Engineering (Summer 2026, B.E. · Mechanical Engineering, Sem 7). Features complete 70-mark regular & remedial examination pattern, official marking distribution across all 5 questions, and direct 1-click official PDF download.

Transcribed for student exam preparation from Gujarat Technological University official examination archives. Questions, syllabus guidelines, and curriculum marking schemes remain the intellectual property of Gujarat Technological University.

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