Chemical Engineering MCQs

Page No. 193

Osmotic pressure exerted by a solution prepared by dissolving one gram mole of a solute in 22.4 litres of a solvent at 0°C will be _______________ atmosphere?


a0.5


b1


c1.5


d2


View Answer 1

Which of the following two quantities when same, makes one pipe system equivalent to another pipe system ?


aHead & discharge


bLength & discharge


cLength & diameter


dFriction factor & diameter


View Answer Head & discharge

Choose the correct set of dimensions of viscosity that are equivalent (where, F, M, L, T are dimensions for force, mass, length and time respectively) ?


aFL-2T, ML-1T-1


bFLT, ML-1T-1


cML-1T-3, F-1L2T


dF-1L2T-1, MLT-3


View Answer FL-2T, ML-1T-1

A car tyre of volume 0.057 m3 is inflated to 300 kPa at 300 K. After the car is driven for 10 hours, the pressure in the tyre increases to 330 kPa. Assume air is an ideal gas and Cv for air is 21 J/mole.K. The change in the internal energy of air in the tyre in J/mole is__________________?


a380


b630


c760


d880


View Answer 630

Small pressure differences in liquids is measured using a/an__________________?


aU-tube manometer


bInclined tube manometer


cPitot tube


dNone of these



Two dimensional stream function________________?


aRelates velocity and pressure


bIs constant along a stream line


cIs constant along an equipotential surface


dNone of these



500 c.c. each of hydrogen at 700 mm Hg pressure and oxygen at 600 mm Hg pressure are put together in a vessel of 1 litre capacity. The final pressure of the gas mixture will be _____________ mm Hg?


a650


b700


c600


d375


View Answer 650

The pressure drop per unit length of pipe incurred by a fluid ‘X’ flowing through pipe is Δp. If another fluid ‘Y’ having both the specific gravity & density just double of that of fluid ‘X’, flows through the same pipe at the same flow rate/average velocity, then the pressure drop in this case will be__________________?


aΔp


b2Δp


cΔp2


dΔp/2


View Answer 2Δp

A gas at 0°C was subjected to constant pressure cooling until its volume became half the original volume. The temperature of the gas at this stage will be________________?


a0°C


b0°K


c-136.5°C


d-136.5°K


View Answer -136.5°C

Euler’s equation of motion is a statement expressing____________________?


aConservation of mass


bConservation of energy


cNewton’s first law of motion


dNewton’s second law of motion


View Answer Conservation of mass

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