Compressors, Gas Turbines And Jet Engines MCQ Questions & Answers | Mechanical Engineering

A. Gas turbine

B. I.C engine

C. Compressor

D. Air motor

A. Lower at low speed

B. Higher at high altitudes

C. Same at all altitudes

D. Higher at high speed

A. 0.1 to 1.2 m³/s

B. 0.15 to 5 m³/s

C. Above 5 m³/s

D. None of these

A. $${{\text{p}}_2} = {{\text{p}}_1} \times {{\text{p}}_3}$$

B. $${{\text{p}}_2} = \frac{{{{\text{p}}_1}}}{{{{\text{p}}_3}}}$$

C. $${{\text{p}}_2} = \sqrt {{{\text{p}}_1} \times {{\text{p}}_2}} $$

D. $${{\text{p}}_2} = \frac{{{{\text{p}}_3}}}{{{{\text{p}}_1}}}$$

A. 1.03 kg/cm²

B. 1.06 kg/cm²

C. 1.00 kg/cm²

D. 0.53 kg/cm²

A. $$\frac{{{{\text{p}}_2}}}{{{{\text{p}}_1}}} = \frac{{{{\text{p}}_3}}}{{{{\text{p}}_2}}} = \frac{{{{\text{p}}_4}}}{{{{\text{p}}_3}}}$$

B. $$\frac{{{{\text{p}}_3}}}{{{{\text{p}}_1}}} = \frac{{{{\text{p}}_4}}}{{{{\text{p}}_2}}}$$

C. $${{\text{p}}_1}{{\text{p}}_2} = {{\text{p}}_3}{{\text{p}}_4}$$

D. $${{\text{p}}_1}{{\text{p}}_3} = {{\text{p}}_2}{{\text{p}}_4}$$

A. $$\frac{{{{\text{p}}_2}}}{{{{\text{p}}_1}}} = \frac{{{{\text{p}}_3}}}{{{{\text{p}}_2}}}$$

B. $$\frac{{{{\text{p}}_1}}}{{{{\text{p}}_3}}} = \frac{{{{\text{p}}_2}}}{{{{\text{p}}_1}}}$$

C. $${{\text{p}}_1} = {{\text{p}}_3}$$

D. $${{\text{p}}_1} = {{\text{p}}_2}{{\text{p}}_3}$$

A. Same

B. Higher

C. Lower

D. None of these

A. Free air delivery

B. Compressor capacity

C. Swept volume

D. None of these

A. Conversion of pressure energy into kinetic energy

B. Conversion of kinetic energy into pressure energy

C. Centripetal action

D. Generating pressure directly