# Thermodynamics-1 TD-1 4th Sem/ME/5307/May 2016 Diploma Paper

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## Thermo dynamics-1 TD-1 4th SemME/ 5307/RAC/ may 2016 PAPER

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### Section a Thermodynamics-1 TD-1 4th SemME/5307/may 2016 PAPER

A centrifugal fan ______ forms system.

#### A centrifugal fan ______ forms system.

Temperature is __________ property.

#### Temperature is __________ property.

Unit & value of Universal Gas Constant (Ru) in SI System are ________ and ________

#### Unit & value of Universal Gas Constant (Ru) in SI System are ________ and ________

One gram mole of all gases occupy a volume of _______ at NTP.

#### One gram mole of all gases occupy a volume of _______ at NTP.

The Polytopic Index is unity for _________ process.

#### The Polytopic Index is unity for _________ process.

The work done during constant volume process is ______________

#### The work done during constant volume process is ______________

The relation between heat and work is _____________

#### The relation between heat and work is _____________

The carnot cycle comprises of two ___________ and two processes.

#### The carnot cycle comprises of two ___________ and two processes.

Dryness fraction of dry stream is __________

#### Dryness fraction of dry stream is __________

Triple point is that Point where ___________

#### Triple point is that Point where ___________

In a water tube boiler ______ flows through tubes.

#### In a water tube boiler ______ flows through tubes.

__________ water is used for boiler.

#### __________ water is used for boiler.

Otto cycle is also known as ________ cycle.

#### Otto cycle is also known as ________ cycle.

Petrol engine has compression ratio of ____________

#### Petrol engine has compression ratio of ____________

Air cooler is provided in ________ stage compression.

### Section B :Thermodynamics-1 TD-1 4th SemME/5307/may 2016 PAPER

Define:  a) Thermodynamic equilibrium.

#### a) Explain briefly three basic modes of heat transfer.b) Write uses of compressed Air.c) Write basic categories in which steam generators are classified.d) Compare fire tube boiler and water tube boiler.e) What do you mean by dryness fraction of steam? Give its value for dry saturated steam.f) What do you mean by Mollier chart? What is its importance?g) Write difference between Internal energy and Enthalpy.h) State Kelvin Plank’s statement of IInd law of Thermodynamics.i) State Boyle’s Law and Avogadtro’s Law.j) What do you mean by Intensive Property and Extensive Property?

Define b) Quasi static process.

#### b) Quasi static process.

Define c) Zeroth law of thermodynamics.

#### c) Zeroth law of thermodynamics.

Explain:  a) Specific heat at constant pressure.

#### a) Specific heat at constant pressure.

Explain b) Specific heat at constant volume.

#### b) Specific heat at constant volume.

Explain difference between gas constant and Universal gas constant.

#### Difference between gas constant and Universal gas constant.

What do you mean by isobaric process? Write equation representing the process.

#### Explain Isobaric process

Explain with neat sketch Joule’s experiment.

#### Neat sketch Joule’s experiment.

Write short note on :  a) Mole fraction

#### Short note on :       a) Mole fraction

Short Note on b) Daltons law of partial pressure.

## Thermo dynamics-1 TD-1 4th Sem ME/ 5307/RAC/ Dec 2018 PAPER

### Section c :- Thermodynamics-1 TD-1 4th SemME/5307/May 2016 PAPER

A barometer reads 760 cm of mercury. What will be the Absolute pressure? (i) If pressure gauge connected to a compressor reads 15 bar. (ii) If vacuum gauge connected to a condenser reads 70 cm. of Mercury.

#### Barometer reads 760 cm of mercury. What will be the Absolute pressure?(i) If pressure gauge connected to a compressor reads 15 bar.(ii) If vacuum gauge connected to a condenser reads 70 cm. of Mercury.

Drive an expression for the relationship of two specific heats of perfect gas and characteristic gas constant.

#### Expression for the relationship of two specific heats of perfect gas and characteristic gas constant.

Derive an expression for work done for following processes. (i) An Isothermal expansion (ii) An Adiabatic expansion

#### Expression for work done for following processes.(i) An Isothermal expansion(ii) An Adiabatic expansion

Calculate total heat of 1 kg of steam under a pressure of 6 bar absolute when. (i) Steam is dry (ii) If the steam is superheated, degree of superheat being 1000C.

#### Find total heat of 1 kg of steam under a pressure of 6 bar absolute when.(i) Steam is dry(ii) If the steam is superheated, degree of superheat being 1000C.

Compare Otto and Diesel cycles for save compression ratio.

#### Compare Otto and Diesel cycles for save compression ratio.

Explain formation of steam with NEAT Sketch.