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

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

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

Temperature is a __________ property.

#### Temperature is a __________ property.

The fuel mostly used in the boiler is ___________.

#### The fuel mostly used in the boiler is ___________.

First law of thermodynamics refers to conservation of _____________.

#### First law of thermodynamics refers to conservation of ______________ .

The centrifugal pump works under _________ system.

#### The centrifugal pump works under _________ system.

In thermosetting process _________ is constant.

#### In thermosetting process _________ is constant.

In isothermal process _______ is constant.

#### In isothermal process _______ is constant.

The three modes of heat transfer are ________ . , _________ and ____________ .

#### The three modes of heat transfer are ________ . , _________ and ____________ .

Pressure cooker is an example of _________ system.

#### Pressure cooker is an example of _________ system.

The internal energy of perfect gas does not change during _______ process.

#### The internal energy of perfect gas does not change during _______ process.

Free expansion is a ________ process.

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

Define Boyle’s and Charle’s law.

#### Boyle’s Law and Charle’s law.

Explain internal energy and enthalpy.

#### Internal energy and enthalpy.

Differentiate fire tube boiler and water tube boiler.

#### Comparison fire tube boiler and water tube boiler.

Explain second law of thermodynamics.

#### Second law of thermodynamics.

Write a short note on Mollier diagram.

#### Short note on Mollier diagram.

Explain triple point of a pure substance.

#### Triple point of a pure substance.

What are various modes of heat transfer?

#### Various modes of heat transfer.

What are the various fuels used in boilers?

## Thermo dynamics-1 TD-1 4th Sem ME/ 5307/RAC/ Dec 2016 PAPER

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

Derive an expression for work done for the following processes: 10 1) Isothermal expansion 2) polytropic expansion

#### 2) polytropic expansion

Write short notes on any two:  1) Closed system and open system 2) Specific heat 3) Zeroth law of themodynamics

#### Short notes on any two: 1) Closed system and open system2) Specific heat3) Zeroth law of themodynamics

Derive an expression for standard efficiency of an Otto cycle.

#### Expression for standard efficiency of an Otto cycle.

What are the various processes involved in Carnot cycle? Derive an expression for the thermal efficiency of the Carnot cycle.

#### Expression for the thermal efficiency of the Carnot cycle.

Explain with neat sketch the working principle of reciprocating compressor in detail.

#### Working principle of reciprocating compressor.

What are the requirements of a good trap? Explain different traps in use.

1.Requirements of a good trap

2.Explain different traps in use.