Semester : S1 and S2
Subject : INTRODUCTION TO CHEMICAL ENGINEERING
Year : 2016
Term : JANUARY
Branch : MECHANICAL ENGINEERING
Scheme : 2015 Full Time
Course Code : BE 101-06
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MODULE 4
13. The rate constants of a certain reaction are 1.6x10-3 (sec-I and 1.625K 10-2 (sec-I ) at 283 K and
303 K respectively. Calculate the activation energy in cal/mol. (5)
14. Compare and contrast centifugal and reciprocating pumps? (5)
MODULE S
A process liquid level needs to be held within 150 ft in a large tank. A pressure transmitter monitors the
liquid's level using a pressure reading and sends the result to a controller. The controller opens/closes an
inflow/outflow pipe depending on the liquid level. Keeping in mind c the given scenario, schematically
represent the control system and match the terms: (5)
A) Inferred process variable A) 150 ft
B) Manipulated variable B) Pressure
C) Measured variable C) Flow of liquid to the tank
D) Set point D) Level
Write the working principle of U-tube manometer.
MODULE 6
Explain a typical wastewater treatrnent facility of a chemical plant. (5)
Write any five challenges before the Chemical Engineers in developing environment-friendly
products and processes? (5)
PART C
Answer 6 questions (one quesiionfrom each Module) MODULE |
Differentiate between continuous and batch processes? List the merits of continuousPIOCess
over batch process. (6)
Explain any one life saving application wherein Chemical engineers have a major role to play
with? (6)
MODULE 2
Define an ideal gas. What are equations of state? Write any 3 equations of state explaining each
term. (6)
For fluids in turbulent motion through tubes, the heat tansfer coeffcient is given byh =
ம் ey
9": | The numerical value of the constant a = 10.1, when h is in Btu/ (hr °F), Cp is in
Btu/ (100/7), © is in 10/ (2 $) and the D in ft. Determine the value of 'a',when h is measured in W/
(m? K); Cp is in kJ/ (kg K); G is in kg/ (1725) and the D in m. (6) MODULE 3
A) Write the step by -step procedure for biodiesel production?
B) Classify different types of polymerization techniques? (6)