Related Questions

Transition from laminar flow to turbulent flow in fluid flow through a pipe does not depend upon the
A Length of the pipe
B Diameter of the pipe
C Density of the fluid
D Velocity of the fluid
When a magnet is in motion relative to a coil the induced e.m.f. does not depend upon
A Resistance of the coil
B Motion of the magnet
C Number of turns of the coil
D Pole strength of the magnet
The Nusselt number for fully developed (both thermally and hydrodynamically) laminar flow through a circular pipe, where the wall heat flux is constant, is
A 2.36
B 4.36
C 120.36
D Dependent on NRe only
Nusselt number for full developed, laminar, constant property flow in a pipe at uniform heat flux is
A 0.72
B 4.364
C 18
D 83
The Nusselt number for fully developed (both thermally and hydrodynamically) laminar flow through a circular pipe whose surface temperature remains constant is
A 1.66
B 88.66
C 3.66
D Dependent on NRe only
The ratio of Nusselt number and the product of Reynold's number and Prandtl number is equal to
A Stanton number
B Biot number
C Peclet number
D Grashoff number
Nusselt number is a function of Prandtl number and __________ number of fluid in natural convection heat transfer.
A Grashoff
B Biot
C Stantan
D Reynolds
The total frictional resistance to fluid flow does not depend upon the
A Roughness of the surface
B Fluid pressure
C Fluid density
D Fluid velocity
Friction factor for fluid flow in pipe does not depend upon the
A Pipe length
B Pipe roughness
C Fluid density & viscosity
D Mass flow rate of fluid
In a multipass shell and tube heat exchanger, the shell side cross flow area does not depend upon
A Baffle spacing
B Clearance
C Pitch
D None of these

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