Engineering Thermodynamics MCQs
Practice free Engineering Thermodynamics multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 368 questions — no login required.
Question 280hard
If in the equation pvn = C, the value of n = $$ \propto $$, then the process is called
Question 281hard
If a fluid expands suddenly into vacuum through an orifice of large dimension, then such a process is called
Question 282hard
The general gas equation is (where p = Pressure, v = Volume, m = mass, T = Absolute temperature and R = Gas constant)
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Question 283hard
The heat supplied to the gas at constant volume is (where m = Mass of gas, Cv = Specific heat at constant volume, Cp = Specific heat at constant pressure, T2 - T1 = Rise in temperature and R = Gas constant)
Question 284hard
Relation between cp and cv is given by (where cp = Specific heat at constant pressure, cv = Specific heat at constant volume, $$\gamma = \frac{{{{\text{c}}_{\text{p}}}}}{{{{\text{c}}_{\text{v}}}}},$$ known as adiabatic index and R = Gas constant)
Question 285medium
Those substances which have so far not been resolved by any means into other substances of simpler form are called
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Question 286medium
For same compression ratio and for same heat added
Question 287easy
The natural solid fuel is
Question 288hard
The heat absorbed or rejected by the working substance is given by (where ds = Increase or decrease of entropy, T = Absolute temperature and dQ = Heat absorbed or rejected)