Engineering Thermodynamics MCQ Questions & Answers | Mechanical Engineering

A. Increases

B. Decreases

C. First increases and then decreases

D. First decreases and then increases

A. Two constant volume and two isentropic processes

B. Two constant pressure and two isentropic processes

C. Two constant volume and two isothermal processes

D. One constant pressure, one constant volume and two isentropic processes

A. Two constant volume and two isentropic processes

B. Two constant volume and two isothermal processes

C. Two constant pressure and two isothermal processes

D. One constant volume, one constant pressure and two isentropic processes

A. Two constant volume and two isentropic processes

B. Two isothermal and two isentropic processes

C. Two constant pressure and two isentropic processes

D. One constant volume, one constant pressure and two isentropic processes

A. Zero

B. $$\frac{1}{5}$$

C. $$\frac{4}{5}$$

D. 1

A. Carnot cycle

B. Bell-Coleman cycle

C. Rankine cycle

D. Stirling cycle

A. Densities

B. Specific weights

C. Molecular weights

D. Gas characteristic constants

A. More

B. Less

C. Equal

D. Depends on other factors

A. 15 to 20

B. 5 to 8

C. 3 to 6

D. 20 to 30

A. $$\frac{{{{\text{T}}_1}}}{{{{\text{T}}_2}}} - 1$$

B. $$1 - \frac{{{{\text{T}}_1}}}{{{{\text{T}}_2}}}$$

C. $$1 - \frac{{{{\text{T}}_2}}}{{{{\text{T}}_1}}}$$

D. $$1 + \frac{{{{\text{T}}_2}}}{{{{\text{T}}_1}}}$$