Engineering Thermodynamics MCQ Questions & Answers | Mechanical Engineering

A. Conservation of work

B. Conservation of heat

C. Conversion of work into heat

D. Conversion of heat into work

A. $${{\text{r}}^{\gamma - 1}}$$

B. $$1 - {{\text{r}}^{\gamma - 1}}$$

C. $$1 - {\left( {\frac{1}{{\text{r}}}} \right)^{\frac{\gamma }{{\gamma - 1}}}}$$

D. $$1 - {\left( {\frac{1}{{\text{r}}}} \right)^{\frac{{\gamma - 1}}{\gamma }}}$$

A. Theoretically possible

B. Not possible

C. May be possible with lot of sophistications

D. Cost will be very high

A. $$\frac{{{{\text{C}}_{\text{p}}}}}{{{{\text{C}}_{\text{v}}}}}$$

B. $$\frac{{{{\text{C}}_{\text{v}}}}}{{{{\text{C}}_{\text{p}}}}}$$

C. $${{\text{C}}_{\text{p}}} - {{\text{C}}_{\text{v}}}$$

D. $${{\text{C}}_{\text{p}}} + {{\text{C}}_{\text{v}}}$$

A. Pressure exerted by the gas

B. Volume occupied by the gas

C. Temperature of the gas

D. All of these

A. The molecular weights of all the perfect gases occupy the same volume under same conditions of pressure and temperature

B. The sum of partial pressure of mixture of two gases is sum of the two

C. Product of the gas constant and the molecular weight of an ideal gas is constant

D. Gases have two values of specific heat

A. Brayton cycle

B. Joule cycle

C. Carnot cycle

D. Reversed Brayton cycle

A. Isothermally

B. Isentropically

C. Polytropically

D. None of these

A. 54°C

B. 327°C

C. 108°C

D. 654°C

A. 1 g

B. 10 g

C. 100 g

D. 1000 g