Q2. Explain Steam formation T-h plot

This is question 2 (4 marks) from the GTU Basic Mechanical Engineering BE Winter 2018 question paper. Subject code: 3110006.

Q3. Discuss Rankine cycle with block diagram

This is question 3 (4 marks) from the GTU Basic Mechanical Engineering BE Winter 2018 question paper. Subject code: 3110006.

Basic Mechanical Engineering | B.E. Semester 1 Winter 2018 | GTU Papers

Q: Q1. Describe Isothermal process and derive expression for Workdone, Change in Internal energy, Heat transfer and Change in Enthalpy.

This is question 1 (7 marks) from the GTU Basic Mechanical Engineering BE Winter 2018 question paper. Subject code: 3110006.

Q: Q1. Discuss Closed, Open and Isolated Thermodynamic system with neat sketch.

This is question 1 (3 marks) from the GTU Basic Mechanical Engineering BE Winter 2018 question paper. Subject code: 3110006.

Q: Q1. What is solid fuel? Discuss different types of solid fuel.

This is question 1 (4 marks) from the GTU Basic Mechanical Engineering BE Winter 2018 question paper. Subject code: 3110006.

Q: Q2. 1.5kg of steam at a pressure of 10bar and temperature of 250°Cis expanded until the pressure becomes 2.8bar. The dryness fraction of steam is then 0.9. Calculate change in Internal Energy

This is question 2 (7 marks) from the GTU Basic Mechanical Engineering BE Winter 2018 question paper. Subject code: 3110006.

Q: Q2. Dryness fraction of steam cannot have the value more than unity: Justify

This is question 2 (3 marks) from the GTU Basic Mechanical Engineering BE Winter 2018 question paper. Subject code: 3110006.

Q: Q2. The heat transfer from a heat reservoir is proportional to its temperature: Justify by deriving equation.

This is question 2 (7 marks) from the GTU Basic Mechanical Engineering BE Winter 2018 question paper. Subject code: 3110006.

Q: Q3. List different mountings of boiler and explain any one in brief.

This is question 3 (3 marks) from the GTU Basic Mechanical Engineering BE Winter 2018 question paper. Subject code: 3110006.

Questions30

Describe Isothermal process and derive expression for Workdone, Change in Internal energy, Heat transfer and Change in Enthalpy.

[7 marks]

Discuss Closed, Open and Isolated Thermodynamic system with neat sketch.

[3 marks]

What is solid fuel? Discuss different types of solid fuel.

[4 marks]

1.5kg of steam at a pressure of 10bar and temperature of 250°Cis expanded until the pressure becomes 2.8bar. The dryness fraction of steam is then 0.9. Calculate change in Internal Energy

[7 marks]

Dryness fraction of steam cannot have the value more than unity: Justify

[3 marks]

Explain Steam formation T-h plot

[4 marks]

The heat transfer from a heat reservoir is proportional to its temperature: Justify by deriving equation.

[7 marks]

Discuss Rankine cycle with block diagram

[4 marks]

List different mountings of boiler and explain any one in brief.

[3 marks]

Explain: Smoke tube internally fired horizontal type stationary boiler.

[4 marks]

The efficiency of Otto cycle is a function of compression ratio: Prove it.

[7 marks]

What is throttling calorimeter? Explain its limitation.

[3 marks]

What is split AC? How it works? Explain with advantage and disadvantage.

[7 marks]

Explain need of multi staging in reciprocating air compressor with its advantages.1

[4 marks]

Explain the term:

[3 marks]

Swept volume (ii) Clearance volume (iii) Stroke length

[ marks]

Discuss with neat sketch Diaphragm pump.

[4 marks]

Distinguish between Reciprocating and Rotary Compressor.

[7 marks]

Explain with neat sketch single acting Plunger type pump.

[3 marks]

The following readings were taken during the test on a single cylinder four stroke IC engine: Cylinder diameter : 270mm Stroke Length : 380mm Mean Effective Pressure : 6bar Engine speed : 250rpm Net load on brake : 1000N Effective mean diameter of brake : 1.5m Fuel used : 10kg/hr Calorific value of Fuel : 44400kJ/kg Calculate:

[7 marks]

Discuss the term:

[3 marks]

Condenser (ii) Baffle tray (iii) Evaporator

[ marks]

Explain with neat sketch the working of Internal Expanding Shoe Brake.

[4 marks]

Discuss the following with application and Properties:

[7 marks]

Glass (ii) Ceramic (iii) Plastics

[ marks]

How metals are classified? Show with block diagram

[3 marks]

Give brief comparison between Belt, Chain and Gear drive.

[4 marks]

Explain with sketch:

[7 marks]

Basic Mechanical Engineering — Winter 2018

Questions30

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