Hydraulics and Fluid Mechanics in ME According to Chezy's formula, the discharge through an open channel is (where A = Area of flow, C = Chezy's constant, m = Hydraulic mean depth, and i = Uniform slope in bed) C × √(m × i) A × √(m × i) mi × √(A × C) AC × √(m × i) C × √(m × i) A × √(m × i) mi × √(A × C) AC × √(m × i) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When time of closure tc = L/v0 (where L is length of pipe and v0 is speed of pressure wave), the portion of pipe length subjected to maximum head is L/4 L/2 L L/3 L/4 L/2 L L/3 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In an immersed body, centre of pressure is Could be above or below e.g. depending on density of body and liquid At the centre of gravity Above the centre of gravity Below be centre of gravity Could be above or below e.g. depending on density of body and liquid At the centre of gravity Above the centre of gravity Below be centre of gravity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The speed of sound in a ideal gas varies directly as its absolute temperature modulus of elasticity temperature density absolute temperature modulus of elasticity temperature density ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The dynamic viscosity of gases __________ with rise in temperature. Remain unaffected Decreases None of these Increases Remain unaffected Decreases None of these Increases ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If the atmospheric pressure on the surface of an oil tank (sp. gr. 0.8) is 0.2 kg/cm”, the pressure at a depth of 50 m below the oil surface will be 3 meters of water column 6 meters of water Column 2 meters of water column 5 meters of water column 3 meters of water column 6 meters of water Column 2 meters of water column 5 meters of water column ANSWER DOWNLOAD EXAMIANS APP
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