Hydraulics and Fluid Mechanics in ME The force exerted by a jet of water (in a direction normal to flow) impinging on a fixed plate inclined at an angle θ with the jet is (waV²/g) × sin θ (waV/2g) × sin θ (waV/g) × sin θ (waV²/2g) × sin 2θ (waV²/g) × sin θ (waV/2g) × sin θ (waV/g) × sin θ (waV²/2g) × sin 2θ ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The diameter of the nozzle (d) for maximum transmission of power is given by (where D = Diameter of pipe, f = Darcy’s coefficient of friction for pipe, and l = Length of pipe) d = (D⁵/8fl)1/4 d = (D⁵/8fl)1/2 d = (D⁵/8fl)1/5 d = (D⁵/8fl)1/3 d = (D⁵/8fl)1/4 d = (D⁵/8fl)1/2 d = (D⁵/8fl)1/5 d = (D⁵/8fl)1/3 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The hammer blow in pipes occurs when The flow of fluid through the pipe is gradually brought to rest by closing of the valve The pipe bursts under high pressure of fluid The flow of fluid through the pipe is suddenly brought to rest by closing of the valve There is excessive leakage in the pipe The flow of fluid through the pipe is gradually brought to rest by closing of the valve The pipe bursts under high pressure of fluid The flow of fluid through the pipe is suddenly brought to rest by closing of the valve There is excessive leakage in the pipe ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME An open tank contains 1 m deep water with 50 cm depth of oil of specific gravity 0.8 above it. The intensity of pressure at the bottom of tank will be 4 kN/m2 10 kN/m2 14 kN/m2 12 kN/m2 4 kN/m2 10 kN/m2 14 kN/m2 12 kN/m2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to fan laws, at constant speed and capacity, the pressure and power vary Inversely as square root of density Inversely as density As square of density Directly as the air or gas density Inversely as square root of density Inversely as density As square of density Directly as the air or gas density ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The normal stress in a fluid will be constant in all directions at a point only if It has uniform viscosity It is incompressible It is at rest It has zero viscosity It has uniform viscosity It is incompressible It is at rest It has zero viscosity ANSWER DOWNLOAD EXAMIANS APP
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