Chemical Engineering MCQs

Page No. 223

What is the speed of sound (m/sec) in ordinary water ?


a1500


b330


c1000


d3000


View Answer 1500

Which of the following is not an advantage of fluidisation from transfer operation point of view ?


aIntimate contact of the fluid with all parts of the solid particles


bLower fluid pumping power requirement


cMinimisation of temperature variation


dPrevention of particle segregation



While starting an axial flow pump, its delivery valve should be kept _______________?


aOpen


bClosed


cEither open or closed


dNone of these


View Answer Open

The line traced by a single fluid particle as it moves over a period of time is called ______________ line?


aStream


bPath


cEquipotential


dNone of these


View Answer Path

Pumping of a corrosive liquid is generally preferred to be done by a ______________ pump, as it can be made of a variety of materials including plastics?


aPiston


bGear


cPositive displacement


dSump


View Answer Gear

For laminar flow of Newtonian fluids through a circular pipe, for a given pressure drop and length & diameter of pipe, the velocity of fluid is proportional to (where, μ = fluid viscosity ) ?


aμ


b1/μ


c√μ


d1/√μ


View Answer 1/μ

For the same flow rate of a fluid, the pressure drop is the least for ____________________?


aVenturimeter


bOrificemeter


cFlow-nozzle


dΔp is same for all


View Answer Venturimeter

Discharge from a 24 inch pipe of water at 10 ft/sec will be _____________ ft3/sec?


a7.65


b32.36


c48.22


d125.6


View Answer 125.6

Rubber latex is an example of ______________ fluid?


aDilatants


bNewtonian


cPseudo plastic


dBingham plastic


View Answer Pseudo plastic

Diaphragm pumps are used to transport_________________?


aSolids


bLiquids


cFluids


dSlurries


View Answer Slurries

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