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

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bPressure gauge

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cPitot tube

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dOrificemeter

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View Answer Pitot tube

Cp/Cv is termed as__________________?


aAdiabatic constant

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bMach number

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cWeber number

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dPrandtl number

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View Answer Adiabatic constant

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


a0.01

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b0.1

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c1

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d10

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View Answer 0.1

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


aGravity forces

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bViscous forces

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cPressure forces

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dTurbulent forces

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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

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b0.84

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c1.84

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d1.25

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View Answer 1.84

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


a2

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b2.828

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c5.657

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d4

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View Answer 5.657

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


aTransition

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bLaminar

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cTurbulent

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dBoth B. and C.

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View Answer Both B. and C.

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


aLiquids

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bGases

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cMixture of hydrocarbons

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dNone of these

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View Answer Gases

The simple Pitot tube measures the _______________ pressure?


astatic

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bDynamic

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cTotal

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dNone of these

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View Answer Total

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


aGravity

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bDrag

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cBuoyant

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dAll A., B., & C.

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

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