"Select the most suitable complement among listed options for the 10 items: T) Real fluids (a) are viscous (b) possess surface tension (c) are compressible (d) possess all the above properties (e) possess none of the above properties. 2) In a static fluid (a) resistance to shear stress is small (b) fluid pressure is zero (c) linear deformation is small (e) viscosity is nil. (d) only normal stresses can exist 3) When the flow parameters at any given instant remain same at every point, then flow is said to be (d) uniform (e) Static. (a) Turbulent (b) Steady state (c) laminar 4) The increase of temperature results in (a) increase in viscosity of gas (b) increase in viscosity of liquid (c)decrease in viscosity of ga (d) decrease in viscosity of liquid (e) (a) and (d) above. 5) Consider the flow in pipe in figure. If P₁ -AP/y. b) The ow direction is from 2 to 1 if AZ <-AP/y. c) T flow is zero if AZ = -AP/y. d) The flow is zero if AZ = AP/y. Q 6) Air flow though the device shown in figure. Select which set of the following conditions is TRUE assuming incompressible non-viscous steady flow ½-1 2 (a) p4 v3 (b) p3> pl; vl > v3 (c) p2 p3; v2> v3 (d) p4 vl (e) p4> pl; v4

"Select the most suitable complement among listed options for the 10 items: T) Real fluids (a) are viscous (b) possess surface tension (c) are compressible (d) possess all the above properties (e) possess none of the above properties. 2) In a static fluid (a) resistance to shear stress is small (b) fluid pressure is zero (c) linear deformation is small (e) viscosity is nil. (d) only normal stresses can exist 3) When the flow parameters at any given instant remain same at every point, then flow is said to be (d) uniform (e) Static. (a) Turbulent (b) Steady state (c) laminar 4) The increase of temperature results in (a) increase in viscosity of gas (b) increase in viscosity of liquid (c)decrease in viscosity of ga (d) decrease in viscosity of liquid (e) (a) and (d) above. 5) Consider the flow in pipe in figure. If P₁ -AP/y. b) The ow direction is from 2 to 1 if AZ <-AP/y. c) T flow is zero if AZ = -AP/y. d) The flow is zero if AZ = AP/y. Q 6) Air flow though the device shown in figure. Select which set of the following conditions is TRUE assuming incompressible non-viscous steady flow ½-1 2 (a) p4 v3 (b) p3> pl; vl > v3 (c) p2 p3; v2> v3 (d) p4 vl (e) p4> pl; v4

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter5: Analysis Of Convection Heat Transfer

Section: Chapter Questions

Problem 5.9P: When a sphere falls freely through a homogeneous fluid, it reaches a terminal velocity at which the...

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