Fluid Mechanics & Solids handling Mcqs

This set of Chemical Engineering Multiple Choice Questions & Answers (MCQs) focuses on “ Fluid Mechanics & Solid handling”. These Mcqs are chosen from a collection of most authoritative and best reference books on Chemical Fluid Mechanics & Solids handling. Our aim is to prepare an individual for competitive exams like NTS, GAT, ECAT, University and College entrance exams, Jobs and interviews. One should practice our MCQS to assimilate Fluid Mechanics & Solids handling comprehensively.

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31.
Poise (P) is the unit of dynamic viscosity and one Poise is equal to

1 N.s/m2

1 lb/ft.hr

1 g/cm.s

1 kg/m.s.

32.
Absolute viscosity expressed in poises is converted to the SI unit of viscosity by multiplication by

1

0.1

0.01

0.001

35.
The numerical value of gc. Newtons law proportionality factor is

32.174 lbm.ft/lbf.s2

9.806 kg.m/kgf.s2

1 kg.m/N.s2

Any of these answers

38.
The viscosity of a gas

Increases with increase in temperature

Decreases with increase in temperature

Remains unaffected with change in temperature

Is greater than the viscosity of a liquid

39.
The viscosity of a liquid

Remains unaffected with change in temperature

Decreases with increase in temperature

Increases with increase in temperature

Is dependent on pressure only

40.
The property of a fluid by virtue of which it offers resistance to shear is known as

Density

Surface tension

Viscosity

Vapor pressure

41.
The law similar to Newtons law viscosity used in the solid mechanics is called

Newtons second law of motion

Archimedes principle

Hookes law

Newtons third law of motion

42.
An ideal fluid is one which

Is very viscous

Is frictionless and incompressible

Has negligible surface tension

Obeys Newtons law of viscosity

43.
A Newtonian fluid is one which

Is frictionless and incompressible

Has a linear relationship between the magnitude of applied shear stress and the resulting rate of deformation

Has a nonlinear relationship between the magnitude of spplied shear stress and the resulting rate of deformation

Has a vapor pressure of 1 N/m2 at 25?C.

44.
Fluid continuum is a concept in which

The actual molecular structure is replaced by a hypothetical continuous medium

Fluid particles are widely scattered in space

Fluid is non-homogeneous

Fluid density is very low

45.
An incompressible flow is one in which

The fluid is frictionless

The fluid compressibility is greater than zero

The density does not change with pressure and temperature

The temperature of fluid remains constant

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