Related Questions

For flow past a flat plate, if x is the distance along the plate in the direction of flow, the boundary layer thickness is proportional to
A $$\sqrt {\text{x}} $$
B $$\frac{1}{{\sqrt {\text{x}} }}$$
C x
D $$\frac{1}{{\text{x}}}$$
What is the ratio of displacement thickness to nominal thickness for a linear distribution of velocity in the boundary layer on a flat plate?
A 0.5
B 1
C 1.5
D 2
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 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
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
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
Boundary layer separation is characterised by one of the conditions given below, where 'Re' is the Reynolds number for the flow. Select the appropriate conditions.
A [

A. Re

B. Re >> 1, accelerating flow

B Re
C Re >>1, decelerating flow
পাত-দূরত্ব d এবং ধারকত্ব C. এমন একটি সমান্তরাল পাত ধারকের পাত দুটির মাঝখানে d/2 পুরুত্ববিশিষ্ট একটি ধাতব পাত স্থাপন করা হলো। নতুন ধারকত্ব কত হবে? (A metal plate of thickness d/2 is inserted between the plates of a parallel plate capacitor with plate separation d and capacitance C. What is the new capacitance?)
A C/d
B C/2
C 4Cd
D 2c
Routers operate at layer _____. LAN switches operate at layer _____. Ethernet hubs operate at layer _____. Word processing operates at layer _____.
A 3, 3, 1, 7
B 3, 2, 1, none
C 3, 2, 1, 7
D 3, 3, 2, none
E All of the above
Introduction of slurry in a plate and frame filter press is done through a plate in each frame. The plate of this filter has a __________ surface.
A Plane
B Curved
C Ribbed
D Either A or B

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