Hydraulics & Fluid Mechanics Free surface of a liquid tends to contract to the smallest possible area due to force of friction cohesion surface tension viscosity friction cohesion surface tension viscosity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Least possible value of correction factor for i) kinetic energy is zero ii) kinetic energy is 1 iii) momentum is zero iv) momentum is 1 The correct statements are (ii) and (iv) (i) and (iii) (i) and (iv) (ii) and (iii) (ii) and (iv) (i) and (iii) (i) and (iv) (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Uniform flow occurs when size and cross section change uniformly along length the flow is steady size and shape of the cross section in a particular length remain constant the flow is streamline size and cross section change uniformly along length the flow is steady size and shape of the cross section in a particular length remain constant the flow is streamline ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics For a sphere of radius 15 cm moving with a uniform velocity of 2 m/sec through a liquid of specific gravity 0.9 and dynamic viscosity 0.8 poise, the Reynolds number will be 600 337.5 675 300 600 337.5 675 300 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The discharge through a V- notch varies as H5’4 where H is head. H3’2 H5/2 H1/2 H5’4 where H is head. H3’2 H5/2 H1/2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The continuity equation pi V,A,= p2V2A2 is based on the following assumption regarding flow of fluid (where pi and p2 are mass densities.) steady flow uniform flow incompressible flow frictionless flow steady flow uniform flow incompressible flow frictionless flow ANSWER DOWNLOAD EXAMIANS APP
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