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GATE Chemical Engineering Practice paper 2 Questions And Answers

Here you can find GATE Chemical Engineering Practice paper 2 Questions and Answers.

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Chemical Engineering Practice Paper 2 Questions & Answers

1. 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?

Chemical Engineering Practice Paper 2 Questions & Answers

2. 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 _________

Chemical Engineering Practice Paper 2 Questions & Answers

3. 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 × n’ matrix exists if and only if the rank is less than ‘n’

Chemical Engineering Practice Paper 2 Questions & Answers

5. 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 _________

Chemical Engineering Practice Paper 2 Questions & Answers

6. 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?

Chemical Engineering Practice Paper 2 Questions & Answers

7. An equation of state is explicit in pressure p and cubic in the specific volume v. At the critical point ‘c’, the isotherm passing through ‘c’ satisfies

Chemical Engineering Practice Paper 2 Questions & Answers

8. The units of the isothermal compressibility are

Chemical Engineering Practice Paper 2 Questions & Answers

10. The apparent viscosity of a fluid is given by 0.007 |dV/dy|0.3 where (dV/dy) is the velocity gradient. The fluid is

Chemical Engineering Practice Paper 2 Questions & Answers

11. The mass balance for a fluid with density (ρ) and velocity vector () is

Chemical Engineering Practice Paper 2 Questions & Answers

13. For a Newtonian fluid flowing in a circular pipe under steady state conditions in fully developed laminar flow, the Fanning friction factor is

Home EngineeringGATE 2017-2018ChemicalPractice Paper 2

GATE Chemical Engineering Online Practice Test Paper 2

Free Online Practice mock Test 2 for GATE Chemical engineering. GATE syllabus and Previous Year Question Papers with Answers Free Download.

1. 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
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Answer & Explanation

Answer: Option B

Explanation:

-NA-

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2. 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. 0.082 to 0.084
  • B. 0.080 to 0.082
  • C. 0.088 to 0.090
  • D. 0.085 to 0.087
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Answer & Explanation

Answer: Option A

Explanation:

-NA-

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3. 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 × 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
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Answer & Explanation

Answer: Option B

Explanation:

-NA-

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4. Evaluate  ( 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 - e-x) + C
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Answer & Explanation

Answer: Option D

Explanation:

-NA-

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5. 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. 2
  • B. 5
  • C. 9
  • D. 3
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Answer & Explanation

Answer: Option D

Explanation:

-NA-

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