Applied thermodynamics
Previous year question paper with solutions for Applied thermodynamics
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- On what factors, volumetric efficiency of a compressor depends?
- Why aerofoil blading is needed in axial flow compressor?
- What is propulsion efficiency?
- Define the term thrust and thrust power of jet propulsion system
- State the assumptions made in practical cycle analysis in gas turbine.
- Enumerate the applications of compressed air.
- What do you understand by blade efficiency?
- What is a turboprop engine?
- What is a heat exchanger?
- Why intercooling is done?
- List four applications of compressed air.
- What is polytropic efficiency?
- What is the difference in the working principle of positive displacement compressors and dynamic compressors?
- Draw the p-V diagram for a double stage reciprocating compressor with and without inter cooling
- What is the function of a diffuser in a centrifugal compressor?
- Why the blades of an axial flow compressor are of airfoil section?
- Explain the terms slip factor and power input factor as applied to centrifugal compressor.
- List four advantages of gas turbines over I.C engines.
- Write briefly the applications of a gas turbine.
- What is the working principle of jet propulsion?
- Represent isothermal, isentropic and polytropic compression process on P-V diagram.
- Write formula for indicated power for single acting and double acting reciprocating compressor
- What is effect of clearance on volumetric efficiency in reciprocating compressor?
- What is function of diffuser in centrifugal compressor?
- For which requirements, centrifugal compressors are used?
- Define degree of reaction in axial flow compressors.
- Draw ideal and actual cycle for gas turbine on T-S diagram
- Define cycle air rate in gas turbine.
- Write two advantages of jet propulsion system
- Write basic difference between turbojet and turboprop.