Related Questions

'Virtue is knowledge and Education is the main thing to acquire virtue' কার উক্তি?
A এরিষ্টটল
B ম্যাকাইভার
C প্লেটো
D রুজভেল্ট
The strain energy stored in a body due to shear stress, is (where $$\tau $$ = Shear stress, C = Shear modulus and V = Volume of the body)
A $$\frac{{\tau {\text{V}}}}{{2{\text{C}}}}$$
B $$\frac{{2{\text{C}}}}{{\tau {\text{V}}}}$$
C $$\frac{{{\tau ^2}{\text{V}}}}{{2{\text{C}}}}$$
D $$\frac{{2{\text{C}}}}{{{\tau ^2}{\text{V}}}}$$
A fluid which has a linear relationship between the magnitude of applied shear-stress and the resulting rate of deformation is called a/an __________ fluid.
A Newtonion
B Non-Newtonion
C Ideal
D Incompressible
According to Newton's law of viscosity, the shear stress on a layer of a fluid is __________ to the rate of shear strain.
A Equal to
B Directly proportional
C Inversely proportional
D None of these
The rate of shear versus the shear stress curves are time dependent for __________ fluid.
A Thixotropic
B Rheopectic
C Both A and B
D Neither A nor B
Fluid is a substance which offers no resistance to change of
A pressure
B flow
C shape
D volume
The property of a liquid which offers resistance to the movement of one layer of liquid over another adjacent layer of liquid, is called
A Surface tension
B Compressibility
C Capillarity
D Viscosity
A fluid is termed as the Newtonion fluid, when the shear stress is __________ the velocity gradient.
A Independent of
B Inversely proportional to
C Directly proportional to
D None of these
A fluid whose apparent viscosity increases with shear rate is termed as the __________ fluid.
A Newtonion
B Viscous
C Dilatant
D Non-viscous
If q is the punching shear resistance per unit area a, is the side of a square footing for a column of side b, carrying a weight W including the weight of the footing, the depth (D) of the footing from punching shear consideration, is
A $${\text{D}} = \frac{{{\text{W}}\left( {{\text{a}} - {\text{b}}} \right)}}{{4{{\text{a}}^2}{\text{bq}}}}$$
B $${\text{D}} = \frac{{{\text{W}}\left( {{{\text{a}}^2} - {{\text{b}}^2}} \right)}}{{4{{\text{a}}^2}{\text{bq}}}}$$
C $${\text{D}} = \frac{{{\text{W}}\left( {{{\text{a}}^2} - {{\text{b}}^2}} \right)}}{{8{{\text{a}}^2}{\text{bq}}}}$$
D $${\text{D}} = \frac{{{\text{W}}\left( {{{\text{a}}^2} - {{\text{b}}^2}} \right)}}{{4{\text{abq}}}}$$

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