IIT Delhi
Mechanical Department
PhD Interview

24-07-2020

1. Have u gone through sponsered projects available on website ? Do you interest to work any of them?
2. Choose two subjects from HT, Thermodynamics and FM that u want to answer the question.
3. Thermocouple is injected in system of gas flow within a pipe. Tg = Gas temperature Ts = Surface temperature. What will be Thermocouple temperature ? Less , greater or same as Gas temperature?
4. A rigid system contains ideal gas , on which work is done to maintain its temperature. System is non-adiabatic. Whether system is reversible or irreversible ? Find change in entropy of system.

All the best.

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