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- Question 1 of 15
In case of a pressure driven laminar flow of a Newtonian fluid of viscosity (μ) through a horizontal circular pipe, the velocity of the fluid is proportional toCorrectIncorrect
- Question 2 of 15
Which of the following statements are CORRECT?
P. For a rheopectic fluid, the apparent viscosity increases with time under a constant applied shear stress
Q. For a pseudoplastic fluid, the apparent viscosity decreases with time under a constant applied shear stress
R. For a Bingham plastic, the apparent viscosity increases exponentially with the deformation rate
S. For a dilatant fluid, the apparent viscosity increases with increasing deformation rateCorrectIncorrect
- Question 3 of 15
Assume that an ordinary mercury-in-glass thermometer follows first order dynamics with a time constant of 10 s. It is at a steady state temperature of 0 °C. At time t = 0, the thermometer is suddenly immersed in a constant temperature bath at 100 °C. The time required (in s) for the thermometer to read 95 °C, approximately isCorrectIncorrect
- Question 4 of 15
Packed towers are preferred for gas-liquid mass transfer operations with foaming liquids becauseCorrectIncorrect
- Question 5 of 15
A spherical storage vessel is quarter–filled with toluene. The diameter of the vent at the top of the vessel is 1/20th of the diameter of the vessel. Under the steady state condition, the diffusive flux of toluene is maximum atCorrectIncorrect
- Question 6 of 15
In order to produce fine solid particles between 5 and 10 μm, the appropriate size reducing equipment isCorrectIncorrect
- Question 7 of 15
Slurries are most conveniently pumped by aCorrectIncorrect
- Question 8 of 15
Assuming the mass transfer coefficients in the gas and the liquid phases are comparable, the absorption of CO2 from reformer gas (CO2+H2) into an aqueous solution of diethanolamine is controlled byCorrectIncorrect
- Question 9 of 15
Which ONE of the following statements is CORRECT for the surface renewal theory?CorrectIncorrect
- Question 10 of 15
Steam economy of a multiple effect evaporator system is defined asCorrectIncorrect
- Question 11 of 15
Decomposition efficiency (ηD) of an electrolytic cell used for producing NaOH is defined asCorrectIncorrect
- Question 12 of 15
The vessel dispersion number for an ideal CSTR isCorrectIncorrect
- Question 13 of 15
Catalytic cracking isCorrectIncorrect
- Question 14 of 15
Which ONE of the following statements is CORRECT?CorrectIncorrect
- Question 15 of 15
In rolling of two fair dice, the outcome of an experiment is considered to be the sum of the numbers appearing on the dice. The probability is highest for the outcome ofCorrectIncorrect