Hydraulics and Fluid Mechanics in ME A model of a reservior is drained in 4 mts by opening the sluice gate. The model scale is 1: 225. How long should it take to empty the prototype ? 4 (225)1/3 minutes 4 x V225 minutes 4 x (225)3/2 minutes 4 minutes 4 (225)1/3 minutes 4 x V225 minutes 4 x (225)3/2 minutes 4 minutes ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When the velocity distribution is uniform over the cross-section, the correction factor for momentum is 1 2 43924 1 2 43924 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In order to avoid cavitation in centrifugal pumps The delivery pressure should be low The delivery pressure should be high The suction pressure should be high The suction pressure should be low The delivery pressure should be low The delivery pressure should be high The suction pressure should be high The suction pressure should be low ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Center of buoyancy is the centroid of the displaced volume of fluid center of pressure of displaced volume does not exist e.g. of floating body centroid of the displaced volume of fluid center of pressure of displaced volume does not exist e.g. of floating body ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If a body floating in a liquid returns back to its original position, when given a small angular displacement, the body is said to be in Stable equilibrium Neutral equilibrium None of these Unstable equilibrium Stable equilibrium Neutral equilibrium None of these Unstable equilibrium ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The torque required to overcome viscous resistance of a collar bearing is (where R1 and R2 = External and internal radius of collar) (μπ²N/60t) × (R₁⁴ - R₂⁴) μπ²N/60t) × (R₁³ - R₂³) (μπ²N/60t) × (R₁ - R₂) (μπ²N/60t) × (R₁² - R₂²) (μπ²N/60t) × (R₁⁴ - R₂⁴) μπ²N/60t) × (R₁³ - R₂³) (μπ²N/60t) × (R₁ - R₂) (μπ²N/60t) × (R₁² - R₂²) ANSWER DOWNLOAD EXAMIANS APP
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