Engineering Thermodynamics MCQ Questions & Answers | Mechanical Engineering

A. 0.224 liters

B. 2.24 liters

C. 22.4 liters

D. 224 liters

A. Heat rejection is lower

B. Expansion and compression are isentropic

C. Combustion is at constant volume

D. Maximum temperature is higher

A. Isothermal

B. Adiabatic

C. Throttling

D. All of the above

A. Kilo Joule

B. Specific heat at constant volume

C. Specific heat at constant pressure

D. None of these

A. Prevents thermal interaction

B. Permits thermal interaction

C. Encourages thermal interaction

D. Discourages thermal interaction

A. Prevents thermal interaction

B. Permits thermal interaction

C. Encourages thermal interaction

D. Discourages thermal interaction

A. $$\frac{{\log \left( {{{\text{p}}_1}{{\text{p}}_2}} \right)}}{{\log \left( {{{\text{v}}_1}{{\text{v}}_2}} \right)}}$$

B. $$\frac{{\log \left( {\frac{{{{\text{p}}_2}}}{{{{\text{p}}_1}}}} \right)}}{{\log \left( {\frac{{{{\text{v}}_1}}}{{{{\text{v}}_2}}}} \right)}}$$

C. $$\frac{{\log \left( {\frac{{{{\text{v}}_1}}}{{{{\text{v}}_2}}}} \right)}}{{\log \left( {\frac{{{{\text{p}}_1}}}{{{{\text{p}}_2}}}} \right)}}$$

D. $$\log \left( {\frac{{{{\text{p}}_1}{{\text{v}}_1}}}{{{{\text{p}}_2}{{\text{v}}_2}}}} \right)$$

A. 0.75

B. 1

C. 1.27

D. 1.35

A. Rankine

B. Stirling

C. Carnot

D. Brayton

A. 273°K

B. Vacuum

C. Zero pressure

D. Centre of earth