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Exam Details

Chemical Engineering (CH) 2013

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Questions 65
Duration 180 mins
Package Chemical Engineering (CH) - Previous Year Papers

Paper pattern & analysis

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Showing all 65 questions in this paper.

Subject distribution

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Topic distribution

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Subtopic distribution

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Difficulty distribution

Easy 41 63.1%
Hard 24 36.9%

Question type distribution

Multiple Choices 41 63.1%
Fill in the blanks 24 36.9%

Instructions

Chemical Engineering (CH) 2013 – Instructions
  • Total number of questions: 65
  • 30 questions carry one mark each
  • 35 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
  • All other browser applications will be automatically closed
  • After three warnings, the examination window will close automatically

Syllabus

Full Syllabus

Sample questions from this paper

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

1
2013 · Unclassified
Chemical Engineering (CH) 2013
Q.1 – Q.25 carry one mark each.

The number of emails received on six consecutive days is 11, 9, 18, 18, 4 and 15, respectively. What are the median and the mode for these data?

A
18 and 11, respectively
B
13 and 18, respectively
C
13 and 12.5, respectively
D
12.5 and 18, respectively
2
2013 · Unclassified
Chemical Engineering (CH) 2013

For two rolls of a fair die, the probability of getting a 4 in the first roll and a number less than 4 in the second roll, up to 3 digits after the decimal point, is ________

A
18 and 11, respectively
B
13 and 18, respectively
C
13 and 12.5, respectively
D
12.5 and 18, respectively
3
2013 · Unclassified
Chemical Engineering (CH) 2013

Which of the following statements are TRUE? P. The eigenvalues of a symmetric matrix are real Q. The value of the determinant of an orthogonal matrix can only be +1 R. The transpose of a square matrix A has the same eigenvalues as those of A S. The inverse of an 'n x n' matrix exists if and only if the rank is less than 'n'

A
P and Q only
B
P and R only
C
Q and R only
D
P and S only
4
2013 · Unclassified
Chemical Engineering (CH) 2013

Evaluate ∫ (ex / (ex - 1)) dx (Note: C is a constant of integration.)

A
eˣ / (eˣ - 1) + C
B
ln(eˣ - 1) / eˣ + C
C
ln(eˣ / (eˣ - 1)) + C
D
ln(1 - eˣ) + C
5
2013 · Unclassified
Chemical Engineering (CH) 2013

A gaseous system contains H2, I2, and HI, which participate in the gas-phase reaction 2 HI ⇌ H2 + I2 At a state of reaction equilibrium, the number of thermodynamic degrees of freedom is ________

A
eˣ / (eˣ - 1) + C
B
ln(eˣ - 1) / eˣ + C
C
ln(eˣ / (eˣ - 1)) + C
D
ln(1 - eˣ) + C
6
2013 · Unclassified
Chemical Engineering (CH) 2013

The thermodynamic state of a closed system containing a pure fluid changes from (T1, p1) to (T2, p2), where T and p denote the temperature and pressure, respectively. Let Q denote the heat absorbed (> 0 if absorbed by the system) and W the work done (> 0 if done by the system). Neglect changes in kinetic and potential energies. Which one of the following is CORRECT?

A
Q is path-independent and W is path-dependent
B
Q is path-dependent and W is path-independent
C
(Q – W) is path-independent
D
(Q + W) is path-independent