FirstRanker Logo

FirstRanker.com - FirstRanker's Choice is a hub of Question Papers & Study Materials for B-Tech, B.E, M-Tech, MCA, M.Sc, MBBS, BDS, MBA, B.Sc, Degree, B.Sc Nursing, B-Pharmacy, D-Pharmacy, MD, Medical, Dental, Engineering students. All services of FirstRanker.com are FREE

📱

Get the MBBS Question Bank Android App

Access previous years' papers, solved question papers, notes, and more on the go!

Install From Play Store

Download GTU BE/B.Tech 2017 Winter 8th Sem Old 180506 Chemical System Modeling Question Paper

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2017 Winter 8th Sem Old 180506 Chemical System Modeling Previous Question Paper

This post was last modified on 20 February 2020

This download link is referred from the post: GTU BE/B.Tech 2017 Winter Question Papers || Gujarat Technological University


FirstRanker.com

GUJARAT TECHNOLOGICAL UNIVERSITY

BE SEMESTER-VIII(OLD) EXAMINATION — WINTER 2017

--- Content provided by FirstRanker.com ---

Subject Code: 180506

Subject Name: Chemical System Modeling

Time: 02.30 PM TO 05.00 PM

Instructions:

  1. Attempt all questions.
  2. --- Content provided by FirstRanker.com ---

  3. Make suitable assumptions wherever necessary.
  4. Figures to the right indicate full marks.

Q.1 (a) Derive concentration profile model for a fixed bed catalytic reactor. With usual notation enumerate all assumption clearly. Note: Develop concentration profile equation for non-isothermal System. (07)

(b) Derive temperature profile model for a fixed bed catalytic reactor. With usual notation enumerate all assumption clearly. Note: Develop temperature profile for adiabatic operation. (07)

Q.2 (a) Derive the Continuity equation. (07)

--- Content provided by FirstRanker.com ---

(b) Discuss about Model Development Procedure & Deterministic Versus Stochastic Process. (07)

OR

Q.3 (a) What are the various model formulation-principles? (07)

(b) What is modeling? Classify it based on different category and group of models. (07)

Q.3 (a) Calculate the fraction of solute that could be extracted in a single stage solvent extraction using numerical values of S=10R, m=1/8 and c=0.15kg/m3. Derive the relation used. (07)

--- Content provided by FirstRanker.com ---

OR

(b) List Steps for formulation of a mathematical model. List types of Boundary conditions. (07)

Q.4 (a) For a continuous solvent extraction by N Stages at steady state, derive Kremser Brown equation. (07)

(b) Derive model for Counter current Cooling of Tanks. (07)

Q.4 (a) Develop a model for temperature profile along a tabular gas pre-heater when gas of temperature of Ti °C is heated through a pipe held at temperature Tw °C. Assume flat velocity profile and heat transfer coefficient along the flux is given by h=cVx When x is distance from tube inlet and c is a constant. Also solve model assuming axial condition to be negligible. (07)

--- Content provided by FirstRanker.com ---

OR

Q.4 (a) Derive model for Temperature Distribution in a Transverse Cooling fin of Triangular Cross-Section. (07)

Q.4 (b) 1000 kg/hr of fluid having density 850 kg/m3 and specific heat Cp=0.9 k-cal/kg °C is being cooled by two identical tanks through counter current cooling system. If the pump of cooling water trips at time 0=0. Find exit fluid temperature from tank No. 2 after 100 min. using following data: Tank volume =700 liters each. Exit temperature of fluid tank No.1=115 °C Exit temperature of fluid tank No.2=70 °C Inlet temperature of hot fluid =205 °C (07)

Q.5 (a) Pipes are joined by pair of flanges of thickness ‘t’ neglecting heat loss through edges, formulate model for temperature profile over flange surface and solve the model. (07)

(b) Develop a model of Laminar flow in a narrow slit. (07)

--- Content provided by FirstRanker.com ---

OR

Q.5 (a) Discuss about Physical modeling and Mathematical Modeling. Discuss merits and demerits of both. (07)

(b) Define: independent variable, dependent variable, parameters. (07)

Date: 15/11/2017

Total Marks: 70

--- Content provided by FirstRanker.com ---

FirstRanker.com



This download link is referred from the post: GTU BE/B.Tech 2017 Winter Question Papers || Gujarat Technological University

--- Content provided by FirstRanker.com ---