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

A. Equal to

B. Less than

C. More than

D. None of these

A. Same

B. Higher

C. Lower

D. Dependent on other factors

A. Before the inter-cooler

B. After the inter-cooler

C. Between the after-cooler and receiver

D. Before first stage suction

A. Compresses 3 m³/min of standard air

B. Compresses 3 m³/min of free air

C. Delivers 3 m³/min of compressed air

D. Delivers 3 m³/min of compressed air at delivery pressure

A. To accommodate Valves in the cylinder head

B. To provide cushioning effect

C. To attain high volumetric efficiency

D. To provide cushioning effect and also to avoid mechanical bang of piston with cylinder head

A. Equal to

B. Less than

C. More than

D. None of these

A. Paucity of O₂

B. Increasing gas temperature

C. High specific volume

D. High friction losses

A. The compression ratio in each stage should be same

B. The intercooling should be perfect

C. The work-done in each stage should be same

D. All of the above

A. Better lubrication is possible advantages of multistage

B. More loss of air due to leakage past the cylinder

C. Mechanical balance is better

D. Air can be cooled perfectly in between

A. Less power requirement

B. Better mechanical balance

C. Less loss of air due to leakage past the cylinder

D. Lower volumetric efficiency