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Exam Details

Chemical Engineering (CH) 2012

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

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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 65 100%

Question type distribution

Multiple Choices 65 100%

Instructions

Chemical Engineering (CH) 2012 – 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
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  • After three warnings, the examination window will close automatically

Syllabus

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Sample questions from this paper

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

1
2012 · Unclassified
Chemical Engineering (CH) 2012
Q.1 – Q.25 carry one mark each.

Consider the following set of linear algebraic equations x1 + 2x2 + 3x3 = 2, x3 + x5 = -1, 2x2 + 2x3 = 0. The system has

A
a unique solution
B
no solution
C
an infinite number of solutions
D
only the trivial solution
2
2012 · Unclassified
Chemical Engineering (CH) 2012

If a and b are arbitrary constants, then the solution to the ordinary differential equation d2y/dx2 - 4y = 0 is

A
y = ax + b
B
y = aeˣ
C
y = a sin 2x + b cos 2x
D
y = a cosh 2x + b sinh 2x
3
2012 · Unclassified
Chemical Engineering (CH) 2012

For the function f(t) = et/τ, the Taylor series approximation for t << τ is

A
1 + t/τ
B
1 - t/τ
C
1 - t²/2τ²
D
1 + t
4
2012 · Unclassified
Chemical Engineering (CH) 2012

A box containing 10 identical compartments has 6 red balls and 2 blue balls. If each compartment can hold only one ball, then the number of different possible arrangements are

A
1026
B
1062
C
1260
D
1620
5
2012 · Unclassified
Chemical Engineering (CH) 2012

Consider the following (2×2) matrix

Question diagram

. Which one of the following vectors is NOT a valid eigenvector of the above matrix?
A

Option A diagram

B

Option B diagram

C

Option C diagram

D

Option D diagram

6
2012 · Unclassified
Chemical Engineering (CH) 2012

In a throttling process, the pressure of an ideal gas reduces by 50%. If Cp and Cv are the heat capacities at constant pressure and constant volume, respectively (γ = Cp/Cv), the specific volume will change by a factor of

A
2
B
2ᵞ
C
2ᵞ⁻¹/ᵞ
D
0.5