Hydraulics and Fluid Mechanics in ME The highest efficiency is obtained with a channel of __________ section. Rectangular Trapezoidal Square Circular Rectangular Trapezoidal Square Circular ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The force exerted by a moving fluid on an immersed body is directly proportional to the rate of change of momentum due to the presence of the body. This statement is called Newton's law of viscosity Newton's law of motion Newton's law of resistance Newton's law of cooling Newton's law of viscosity Newton's law of motion Newton's law of resistance Newton's law of cooling 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) × (R₁³ - R₂³) (μπ²N/60t) × (R₁ - R₂) (μπ²N/60t) × (R₁⁴ - R₂⁴) (μπ²N/60t) × (R₁² - R₂²) μπ²N/60t) × (R₁³ - R₂³) (μπ²N/60t) × (R₁ - R₂) (μπ²N/60t) × (R₁⁴ - R₂⁴) (μπ²N/60t) × (R₁² - R₂²) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The unit speed of the turbine runner is N/H3/2 N/√H N/H² N/H N/H3/2 N/√H N/H² N/H ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A metal with specific gravity of 'a' floating in a fluid of same specific gravity 'a' will Sink to bottom Partly immersed Be fully immersed with top surface at fluid surface Float over fluid Sink to bottom Partly immersed Be fully immersed with top surface at fluid surface Float over fluid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If a pump is handling water and is discharging a certain flow Q at a constant total dynamic head requiring a definite B.H.P., the same pump when handling a liquid of specific gravity 0.75 and viscosity nearly same as of water , the horse power required will be Same 1.5 B.H.P H.P./0.75 0.75 B.H.P Same 1.5 B.H.P H.P./0.75 0.75 B.H.P ANSWER DOWNLOAD EXAMIANS APP
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