What is the exam pattern and passing mark for GTU Fuels and Combustion (3150509)?

The GTU theory examination carries 70 total marks with a duration of 2.5 Hours. Minimum passing criteria is 23 marks (33%). The paper consists of 5 main questions with official marking breakdown and internal choices.

Where can I download the official GTU 3150509 Winter 2024 question paper PDF?

The official GTU question paper PDF is linked directly from Gujarat Technological University's official examination archive. You can view the full paper online or download the original file.

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Gujarat Technological UniversityWinter 2024 examination

GTU 3150509 Fuels and Combustion Winter 2024 Question Paper & PDF

B.E. · Chemical Engineering · Semester 5 · Subject code 3150509

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Total: 70 marks
To pass: 23 marks (33%)
Duration: 2.5 Hours 10:30 AM – 1:00 PM
Questions: 5 with internal choice

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Q.1

14 Marks

(a)

3 marks

Explain Seismic geophysical work in drilling operation.

(b)

4 marks

Discuss various theories suggested by geologists regarding the formation of coal.

(c)

7 marks

Enlist any three properties of solid and liquid fuel. Also, Explain their measurement techniques in detail.

Q.2

14 Marks

(a)

3 marks

Define coal liquefaction process. Enlist various types of liquefaction process.

(b)

4 marks

Explain float and sink method for coal washing.

(c)

7 marks

Enlist various coal combustion technologies. Explain circulating fluidized bed combustion technique for the combustion of bituminous coal.

(c)

7 marks

Define coal mining. Explain Long wall coal mining in detail.

Q.3

14 Marks

(a)

3 marks

Explain augur mining.

(b)

4 marks

Explain vis-breaking. Also list the various products of vis-breaking unit.

(c)

7 marks

Explain the reforming of naphtha in detail with neat flow diagram.

(a)

3 marks

Write short note on improved oil recovery (IOR).

(b)

4 marks

Explain the coal tar distillation process with neat sketch and also name the various products obtained during this process.

(c)

7 marks

Describe delayed coking process used in the petroleum refinery with neat flow sheet.

Q.4

14 Marks

(a)

3 marks

Define calorific value, gross calorific value and net calorific value of fuel.

(b)

4 marks

State the potential benefits of oxygen enrich combustion over conventional air-fired combustion process.

(c)

7 marks

Describe the synthesis of producer gas with all the chemical reactions involved and flow diagram.

(a)

3 marks

State the mechanism and kinetics of combustion process.

(b)

4 marks

Define agro fuels. Explain the storage & handling procedure of agro fuels.

(c)

7 marks

Define water gas. Describe the production of water gas with all reactions involved.

Q.5

14 Marks

(a)

3 marks

Enlist the various characteristics of an efficient furnace.

(b)

4 marks

State the two advantages and disadvantages of pulverized fuel firing.

(c)

7 marks

A petrol sample on analyzing by weight using an ultimate analysis gave carbon 85%, hydrogen 15%. Calculate the ratio of air to fuel by weight if volumetric analysis of the dry exhaust gas include CO2;11.5%, CO;1.2%, O2;0.9% and N2; 86%. Also find % excess air.

(a)

3 marks

Define adiabatic flame temperature.

(b)

4 marks

Enlist various methods for hydrogen production. Explain any one in detail.

(c)

7 marks

Discuss the working and industrial application of traveling grate stoker boiler.

More Fuels and Combustion papers

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Winter 202570 marks · 5 questions

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3150501

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About this paper

Official Gujarat Technological University (GTU) examination paper for Fuels and Combustion (Winter 2024, B.E. · Chemical Engineering, Sem 5). Features complete 70-mark regular & remedial examination pattern, official marking distribution across all 5 questions, and direct 1-click official PDF download.

Transcribed for student exam preparation from Gujarat Technological University official examination archives. Questions, syllabus guidelines, and curriculum marking schemes remain the intellectual property of Gujarat Technological University.

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