Chemical Engineering MCQs

Page No. 172

____________ is used for measuring the static pressure exerted on the wall by a fluid flowing parallel to the wall in a pipeline?


aVenturimeter


bPressure gauge


cPitot tube


dOrificemeter


View Answer Pitot tube

Cp/Cv is termed as__________________?


aAdiabatic constant


bMach number


cWeber number


dPrandtl number


View Answer Adiabatic constant

A lubricant 100 times more viscous than water would have a viscosity (in Pa.s) ?


a0.01


b0.1


c1


d10


View Answer 0.1

Which of the following fluid forces are not considered in the Navier-Stoke’s equation ?


aGravity forces


bViscous forces


cPressure forces


dTurbulent forces


View Answer Turbulent forces

In open channel flow in a rectangular channel, the ratio between the critical depth and the initial depth, when a hydraulic jump occurs is_________________?


a0.5


b0.84


c1.84


d1.25


View Answer 1.84

If the head over the triangular notch is doubled, the discharge will increase by ______________ times?


a2


b2.828


c5.657


d4


View Answer 5.657

Fanning equation is given by (ΔP/ρ) = 4f (L/D) (v2/2gc). It is applicable to _____________ region flow?


aTransition


bLaminar


cTurbulent


dBoth B. and C.


View Answer Both B. and C.

Two liquids manometer is used for measuring small pressure differences in___________________?


aLiquids


bGases


cMixture of hydrocarbons


dNone of these


View Answer Gases

The simple Pitot tube measures the _______________ pressure?


astatic


bDynamic


cTotal


dNone of these


View Answer Total

_____________ forces act on a particle moving through a stationary fluid?


aGravity


bDrag


cBuoyant


dAll A., B., & C.


View Answer All A., B., & C.

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