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Seat No.: Enrolment
GUJARAT TECHNOLOGICAL UNIVERSITY
PDDC SEMESTER-I EXAMINATION WINTER 2018
Subject Code:X11902 Date: 09/01/2019
Subject Name: Engineering Thermodynamics
Time: 10:30 AM TO 01:00 PM Total Marks: 70
Instructions:
1. Attempt any five questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
Q.1

Explain open, closed and isolated system along with examples.
07

What do you mean by thermodynamics? Explain the concepts of microscopic and macroscopic point of view of thermodynamics.
07
Q.2

Derive and explain steady flow energy equation.
07

An engine operating on Diesel cycle has maximum pressure and temperature of 45 bar and 1500o C. Pressure and temperature at the beginning of compression are 1 bar and 27o C. Determine air standard efficiency of the cycle. Take 1.4 for air.
07
Q.3

Explain Rankine cycle with and T-s diagram.
07

What do you mean by PMM? Explain with diagram PMM-I and PMM-II.
07
Q.4

Write the Kelvin-Plank and Clausius's statements for second law of thermodynamics and discuss their equivalence.
07

What are the various limitations of first law of thermodynamics? Explain in detail with various examples.
07
Q.5

Explain in brief the concept of available energy and unavailable energy.
07

State and explain the following:- Avogadro's law Gibbs-Dalton Law
07
Q.6

Explain adiabatic flame temperature.
07

Write short note on joule-Thomson co-efficient.
07
Q.7

Derive Vander wall's equation.
07

Explain bomb calorimeter with neat sketch.
07