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