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/2 L/3 L L/4 L/2 L/3 L L/4 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The surface tension of mercury at normal temperature is __________ that of water. Higher than Same as None of these Lower than Higher than Same as None of these Lower than ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A vertically immersed surface is shown in the below figure. The distance of its centre of pressure from the water surface is d²/12 + x̅ (d²/12 x̅) + x̅ (bd²/12) + x̅ b²/12 + x̅ d²/12 + x̅ (d²/12 x̅) + x̅ (bd²/12) + x̅ b²/12 + x̅ ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The increase of temperature results in decrease in viscosity of liquid decrease in viscosity of gas increase in viscosity of liquid increase in viscosity of gas decrease in viscosity of liquid decrease in viscosity of gas increase in viscosity of liquid increase in viscosity of gas ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The most economical section of a trapezoidal channel is one which has hydraulic mean depth equal to 1/4 × (depth + breadth) 1/2 × breadth 1/2 × sloping side 1/2 × depth 1/4 × (depth + breadth) 1/2 × breadth 1/2 × sloping side 1/2 × depth ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The pressure measured with the help of a Piezometer tube is in Head of liquid N/m2 All of these N/mm2 Head of liquid N/m2 All of these N/mm2 ANSWER DOWNLOAD EXAMIANS APP
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