Weightage Analysis & Important Topics for Thermodynamics (Mission ISRO)

By BYJU'S Exam Prep

Updated on: September 25th, 2023

Thermodynamics is the base of Mechanical Engineering which supports the foundation for numerous theories and laws and which are the source of the numerous inventions. For ISRO Exam in Mechanical Engineering, Thermodynamics is the most important subject. 

So, here we are giving the Weightage Analysis of Thermodynamics and Important topics which have appeared in previous exams (2016, 2017, and 2018)

Weightage Analysis of Thermodynamics

Exam  No.of Questions No.of Marks
ISRO Mechanical Exam 2018 13 39
ISRO Mechanical Exam 2017 (Dec) 11 33
ISRO Mechanical Exam 2017 (May) 7 21
ISRO Mechanical Exam 2016  15 45

Important Topics for Thermodynamics

Exam Topics covered in Exam
ISRO Mechanical Exam 2018
  • Heat & Work
  • Basic properties & processes
  • Diesel engine
  • Entropy
  • COP of the refrigerator
  • Compressor
ISRO Mechanical Exam 2017 (Dec)
  • Properties
  • Types of processes
  • Gas & Steam Turbine
  • Steam nozzle
  • Power Cycles
ISRO Mechanical Exam 2017 (May)
  • Power Engineering(Gas Turbine, Power Cycles-Brayton)
  • I.C. Engine
  • Properties
  • Entropy
  • Carnot Heat Engine
ISRO Mechanical Exam 2016 
  • Properties
  • First Law (Heat & Work)
  • Psychometry
  • Thermo Relations
  • Heat Engine
  • Power Engineering(Turbine)
  • Refrigeration(COP)
  • As per the previous year analysis, we can see that weightage of Thermodynamics is always on the higher side, hence candidates should prepare thoroughly the whole syllabus in order to score more.

Practice ISRO Mechanical Exam Previous Year Papers here:

ISRO ME Previous Year Papers

All the Best


The Most Comprehensive Exam Prep App!


Our Apps Playstore
SSC and Bank
Other Exams
GradeStack Learning Pvt. Ltd.Windsor IT Park, Tower - A, 2nd Floor, Sector 125, Noida, Uttar Pradesh 201303
Home Practice Test Series Premium