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Exam Details

Chemical Engineering (CH) 2009

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Questions 60
Duration 180 mins
Package Chemical Engineering (CH) - Previous Year Papers

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Subject distribution

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Topic distribution

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Subtopic distribution

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Difficulty distribution

Easy 60 100%

Question type distribution

Multiple Choices 60 100%

Instructions

Chemical Engineering (CH) 2009 – Instructions
  • Total number of questions: 60
  • 20 questions carry one mark each
  • 40 questions carry two marks each
  • Negative marking: 1/3 of the marks allotted to the question
  • Use of calculator is allowed
  • This is a proctored examination
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Syllabus

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Sample questions from this paper

Questions are selected across the paper subjects wherever the paper contains that variety.

1
2009 · Unclassified
Chemical Engineering (CH) 2009
Q.1 – Q.20 carry one mark each.

The direction of largest increase of the function x3y2 - x2 at the point (1,1) is

A
3î + ĵ
B
î + 3ĵ
C
-î + 3ĵ
D
-î - 3ĵ
2
2009 · Unclassified
Chemical Engineering (CH) 2009

The modulus of the complex number 1+i/√2 is

A
1/2
B
1/√2
C
1
D
√2
3
2009 · Unclassified
Chemical Engineering (CH) 2009

The system of linear equations Ax = 0, where A is an n×n matrix, has a non-trivial solution ONLY if

A
rank of A > n
B
rank of A = n
C
rank of A < n
D
A is an identity matrix
4
2009 · Unclassified
Chemical Engineering (CH) 2009

A dehumidifier (shown below) is used to completely remove water vapor from air.

Question diagram

Which ONE of the following statements is TRUE?
A
Water is the ONLY tie component.
B
Air is the ONLY tie component.
C
BOTH water and air are tie components
D
There are NO tie components
5
2009 · Unclassified
Chemical Engineering (CH) 2009

Dehydrogenation of ethane, C2H6 (g) → C2H4 (g) + H2 (g), is carried out in a continuous stirred tank reactor (CSTR). The feed is pure ethane. If the reactor exit stream contains unconverted ethane along with the products, then the number of degrees of freedom for the CSTR is

A
1
B
2
C
3
D
4
6
2009 · Unclassified
Chemical Engineering (CH) 2009

An ideal gas at temperature T1 and pressure P1 is compressed isothermally to pressure P2 (> P1) in a closed system. Which ONE of the following is TRUE for internal energy (U) and Gibbs free energy (G) of the gas at the two states?

A
U₁ = U₂, G₁ > G₂
B
U₁ = U₂, G₁ < G₂
C
U₁ > U₂, G₁ = G₂
D
U₁ < U₂, G₁ = G₂