Related Questions

The upper part of the mantle upon which the crust of the Earth floats is called ________
A Barysphere
B Mesophere
C Mohorovic discontinuity
D Asthenosphere
The mean thickness of oceanic crust and continental crust is around:
A 5 kilometer and 15 kilometer respectively.
B 10 kilometer and 30 kilometer respectively.
C 5 kilometer and 30 kilometer respectively.
D 18 kilometer and 40 kilometer respectively.
The most abundant element in the earth 's crust is oxygen . The second most abundant element is the earth's crust is -
A Hydrogen
B Silicon
C Nitrogen
D Brass
When an object enters earths atmosphere, it travels ----
A very repidly
B in a rapid manner
C fastly
D rapidly
The McMahon Line, which sets the boundary between India and China, is drawn to the northern boundary of which of the following states?
A Jammu and Kashmir
B Uttar Pradesh
C Himachal Pradesh
D Arunachal Pradesh
The velocity, concentration and temperature boundary, for the boundary layer development on a flat plate during connective mass transfer will be same, if
A NSc = 1
B NSc = NPr = NLe
C NPr = NLe
D NSc = NLe
The ratio of the thickness of thermal boundary layer to the thickness of hydrodynamic boundary layer is equal to (Prandtl number) n, where n is equal to
A $$ - \frac{1}{3}$$
B $$ - \frac{2}{3}$$
C 1
D $$-1$$
The effect of solid boundary on the fluid flow is confined to the boundary layer, except for fluids
A Having high viscosities
B Moving at low velocities
C Both A and B
D Neither A nor B
The ratio of hydrodynamic boundary layer to thermal boundary layer thickness in case of liquid metals is
A [

A.

B. 1

B > 1
C 2
Thickness of thermal boundary layer is more compared to that of hydrodynamic boundary layer, when the value of Prandtl number is
A 1
B > 1
C > 5

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