Q.1
14 Marks(a)
State and explain Avogadro’s law.
(b)
Explain law of corresponding states.
(c)
State and explain desirable properties of refrigerants.
Gujarat Technological UniversitySummer 2026 examination
GTU 3161910 Applied Thermodynamics Summer 2026 Question Paper & PDF
B.E. · Mechanical Engineering · Semester 6 · Subject code 3161910
- Total
- 70 marks
- To pass
- 23 marks (33%)
- Duration
- 2.5 Hours 10:30 AM – 1:00 PM
- Questions
- 5 with internal choice
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Q.2
14 Marks(a)
Explain Dalton’s law of partial pressure.
(b)
Explain briefly secondary refrigerants.
(c)
Explain sensible cooling process.
OR
(c)
Derive Vander Waal’s equation.
Q.3
14 Marks(a)
Classify types of refrigerants used in refrigeration system.
(b)
Write desirable characteristics of refrigerant - absorbent pair for vapor absorption cycle.
(c)
Explain simple H2O -NH3 cycle with neat sketch.
OR
(a)
State assumptions for fuel–air cycles.
(b)
Explain reasons for variation of specific heats of gases.
(c)
Discuss effect of variable specific heats on Otto, Diesel and Dual cycle.
Q.4
14 Marks(a)
Define indicated power, brake power, friction power.
(b)
Explain different sources of engine emissions.
(c)
Explain working of variable compression ratio engines.
OR
(a)
Explain function of intercooler.
(b)
Explain the effect of Mach number on compressibility.
(c)
Explain construction and working of reciprocating air compressor.
Q.5
14 Marks(a)
Define Degree of reaction.
(b)
Explain Losses in centrifugal compressor.
(c)
Write short note on performance characteristics of axial flow compressors.
OR
(a)
Explain Lift and drag.
(b)
Explain Mach number and its significance.
(c)
A cold storage is to be maintained at -5°C (268K) while the surroundings are at 35°C. The heat leakage from the surroundings into the cold storage is estimated to be 29 kW. The actual C.O.P of the refrigeration plant is one third of an ideal plant working between the same temperatures. Find the power required to drive the plant.
Other Semester 6 subjects
BE Mechanical
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About this paper
Official Gujarat Technological University (GTU) examination paper for Applied Thermodynamics (Summer 2026, B.E. · Mechanical Engineering, Sem 6). 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.