Where can I access the source PDF or URL?

Page URL provided: http://localhost/quizcurrent.com/question-papers/region/central-government-jobs/engineer/pdf/1589 (PDF indicates Chemical Engineering Paper II, IFS 2017).

What are some key themes in Section B?

Key themes include ozone layer considerations, break-even point analysis, dispersion of pollutants, biodiesel production, HAZOP, safety measures in ammonia plants, and profitability evaluation methods.

What are the important design/economics topics covered?

Topics include design equations for CSTRs, discounted cash flow, project scheduling, break-even analysis, and various depreciation methods (SYD, straight-line).

What is the role of fugacity, activity and chemical potential in this paper?

They are discussed in the context of phase equilibria and non-ideal mixtures, with emphasis on their significance in reaction systems and material balances.

What is the scope of the cement manufacturing topic in this paper?

One of the descriptive items covers Portland cement by the wet process along with the relevant chemical reactions.

IFS 2017 Chemical Engineering Paper II (Paper II) – 200 Marks

Central Government Jobs Engineer 2017

Year 2017
Questions 8
Maximum Marks 200
Duration Three Hours Question Paper Specific Instructions Please Read Each Of The Following Instructions Carefully Before Attempting Questions. There Are Eight Questions In All, Out Of Which Five Are To Be Attempted. Question Nos. 1 And 5 Are Compulsory. Out Of The Remaining Six Questions, Three Are To Be Attempted Selecting At Least One Question From Each Of The Two Sections A And B. Attempts Of Questions Shall Be Counted In Sequential Order. Unless Struck Off, Attempt Of A Question Shall Be Counted Even If Attempted Partly. Any Page Or Portion Of The Page Left Blank In The Question-cum-answer Booklet Must Be Clearly Struck Off. All Questions Carry Equal Marks. The Number Of Marks Carried By A Question/part Is Indicated Against It. Answers Must Be Written In English Only. Unless Otherwise Mentioned, Symbols And Notations Have Their Usual Standard Meanings. Assume Suitable Data, If Necessary And Indicate The Same Clearly. Neat Sketches May Be Drawn, Wherever Required. Section 'a' Differentiate Between Promoter, Inhibitor And Accelerator For A Chemical Reaction. 8 1.(a) Derive Maxwell's Relation And State Their Importance. 8 1.(b) Explain Henry's Law And Show That Raoult's Law Is A Special Case Of Henry's Law. 8 1.(c) What Is The Effect Of Pressure On Equilibrium Conversion Of A Gas-phase Chemical Reaction? 1.(d) 8 State 'yield' And 'selectivity' Of A Process. 8 1.(e) Discuss The Following With Suitable Examples : 20 2.(a) Limiting And Excess Reactant
Languages Hindi & English

Exam Details

Detail	Information
Examination	I.F.S Exam (Main) 2017
Year	2017
Paper	Chemical Engineering
Subject	Chemical Engineering
Duration	Three Hours Question Paper Specific Instructions Please Read Each Of The Following Instructions Carefully Before Attempting Questions. There Are Eight Questions In All, Out Of Which Five Are To Be Attempted. Question Nos. 1 And 5 Are Compulsory. Out Of The Remaining Six Questions, Three Are To Be Attempted Selecting At Least One Question From Each Of The Two Sections A And B. Attempts Of Questions Shall Be Counted In Sequential Order. Unless Struck Off, Attempt Of A Question Shall Be Counted Even If Attempted Partly. Any Page Or Portion Of The Page Left Blank In The Question-cum-answer Booklet Must Be Clearly Struck Off. All Questions Carry Equal Marks. The Number Of Marks Carried By A Question/part Is Indicated Against It. Answers Must Be Written In English Only. Unless Otherwise Mentioned, Symbols And Notations Have Their Usual Standard Meanings. Assume Suitable Data, If Necessary And Indicate The Same Clearly. Neat Sketches May Be Drawn, Wherever Required. Section 'a' Differentiate Between Promoter, Inhibitor And Accelerator For A Chemical Reaction. 8 1.(a) Derive Maxwell's Relation And State Their Importance. 8 1.(b) Explain Henry's Law And Show That Raoult's Law Is A Special Case Of Henry's Law. 8 1.(c) What Is The Effect Of Pressure On Equilibrium Conversion Of A Gas-phase Chemical Reaction? 1.(d) 8 State 'yield' And 'selectivity' Of A Process. 8 1.(e) Discuss The Following With Suitable Examples : 20 2.(a) Limiting And Excess Reactant
Maximum Marks	200
Number of Questions	8
Question Type	Mixed: descriptive and objective-style

This JSON aggregates the IFS 2017 Chemical Engineering Paper II content from Page 1 and Page 2 OCR. It repairs OCR artifacts to present section A and B questions with sub-parts (a–e) and numbered items (2., 3., 4., 5., 6., 7., 8.) across both pages. It includes descriptive prompts on foundational topics (Maxwell relations, Henry's law, Raoult's law, yield vs. selectivity), reactor design (CSTR), phase equilibria (VLE, fugacity, activity, chemical potential), process economics (discounted cash flow, break-even, depreciation methods), and safety/industrial topics (HAZOP, ozone layer, biodiesel via transesterification, dispersion of starch in LDPE, Portland cement), as well as the requested SEO components.

Major Topics Covered

Maxwell's relations
Henry's law
Raoult's law
Yield and selectivity
Gas-phase equilibrium
Reactor design
CSTR design
VLE criteria
Fugacity
Activity
Chemical potential
Ozone layer depletion
Break-even point analysis
Adiabatic lapse rate
Pollutant dispersion
Biodiesel production
Heterogeneous transesterification
Electrostatic precipitator
HAZOP
Portland cement (wet process)

Why This Paper is Important

Useful for I.F.S Exam (Main) 2017 preparation
Helps understand the latest exam pattern
Useful for practice and self-assessment
Covers frequently asked General Studies topics
Helpful for analysing question trends

Related Resources

Instructions

I.F.S EXAM-(M)2017 वियोज्य DETACHABLE CHEMICAL ENGINEERING Paper II Maximum Marks: 200

There are EIGHT questions in all, out of which FIVE are to be attempted.
Out of the remaining SIX questions, THREE are to be attempted selecting at least ONE question from each of the two Sections A and B.
Attempts of questions shall be counted in sequential order.
Unless struck off, attempt of a question shall be counted even if attempted partly.
Any page or portion of the page left blank in the Question-cum-Answer Booklet must be clearly struck off.
The number of marks carried by a question/part is indicated against it.
Answers must be written in ENGLISH only.
Unless otherwise mentioned, symbols and notations have their usual standard meanings.
Assume suitable data, if necessary and indicate the same clearly.
Neat sketches may be drawn, wherever required.

Questions (page 2)

Q1. 1.(a) Derive Maxwell's relation and state their importance.

Q2. 1.(b) Explain Henry's law and show that Raoult's law is a special case of Henry's law.

Q3. 1.
(c) What is the effect of pressure on equilibrium conversion of a gas-phase chemical reaction?

Q4. 1.(d) State 'yield' and 'selectivity' of a process.

Q5. 1.(e) Discuss the following with suitable examples :

Q6. 2.(a) Limiting and excess reactant
(i) Recycle and bypass ratio
(ii) Bypass and purge streams
(iii) Trouton's rule and Kistiakowsky equation
(iv) An ideal gas (Cp = 5 kcal/kmol-K, Cv = 3 kcal/kmol-K) is changed from 1 atm and 22.4 m³ to 10 atm and 2.24 m³.

Q7. 2.(b) The following reversible processes: isothermal compression
(i) ; adiabatic compression followed by cooling at constant volume
(ii) ; heating at constant volume followed by cooling at constant pressure
(iii) . Calculate the heat interaction, work-done, change in internal energy and change in enthalpy of the overall process in each case.

Q8. 3.(a) A mixture of 1 mol of sulphur dioxide gas, 0.5 mol of oxygen gas and 2 moles of argon gas are fed into a reactor at 30 bar and 900 K to produce sulphur trioxide gas. The equilibrium constant for the reaction is 6. Calculate the degree of conversion and equilibrium composition of the reaction mixture assuming that the mixture behaves like an ideal gas.

Q9. 3.(b) Derive an expression for the design equation of a CSTR.

Q10. 3.
(c) The gas phase reaction A + B → C + D + E is carried out in a CSTR by introducing a feed stream containing 5 kmol/m^3 of B. The reactor volume is 25 m³ and the rate constant is 0.0001 m³/kmol·s at the condition of temperature and pressure in the reactor. Calculate the volumetric flow rate, space time and reaction holding time for 60% conversion of the reactants. Discuss the significance of the terms - Fugacity, Activity and Chemical Potential.

Q11. 4.(a) A binary liquid mixture consists of 60 mol per cent ethylene and 40 mol per cent propylene.

Q12. 4.(b) At 423 K, the vapour pressure of ethylene and propylene are 15.2 atm and 9.8 atm respectively. Calculate the total pressure and equilibrium composition of the vapour phase. Assume that the mixture behaves like an ideal solution.

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Frequently asked questions

What is the exam and year for this paper?

Indian Forest Service (Main) Examination, Chemical Engineering Paper II, 2017.

How many questions are in the paper and how many must be attempted?

There are eight questions in total; five must be attempted. Question Nos. 1 and 5 are compulsory; at least one question from Section A and one from Section B must be attempted.

In which languages is the paper available or answered?

The paper content includes Hindi and English text, but answers are written in English.

What is the maximum marks and duration?

Maximum marks are 200; duration is three hours.

What subjects or topics are covered in this paper?

Topics include Maxwell's relations, Henry's law, Raoult's law, gas-phase equilibrium, yield vs. selectivity, CSTR design, fugacity/activity/chemical potential, ozone depletion, break-even analysis, adiabatic lapse rate, biodiesel via heterogeneous transesterification, HAZOP, polymer dispersion, Portland cement, etc.

Are there any objective-type questions in this paper?

The OCR contains a section labeled objective_questions_preview, but the actual questions are presented in descriptive form; the document is a mix of descriptive and problem-type items.

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