Hydraulics and Fluid Mechanics in ME A pipe of length more than double the diameter of orifice fitted externally or internally to the orifice is called a Mouthpiece Notch Nozzle Weir Mouthpiece Notch Nozzle Weir ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a single casing, multistage pump running at constant speed, the capacity rating is to be slightly lowered. It can be done by Trimming the impeller size to the required size by machining Not possible Some other alterations in the impeller Designing new impeller Trimming the impeller size to the required size by machining Not possible Some other alterations in the impeller Designing new impeller 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 Neutral equilibrium Stable equilibrium Unstable equilibrium None of these Neutral equilibrium Stable equilibrium Unstable equilibrium None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The torque required to overcome viscous resistance of a footstep bearing is (where μ = Viscosity of the oil, N = Speed of the shaft, R = Radius of the shaft, and t = Thickness of the oil film) μπ²NR²/60t μπ²NR/60t μπ²NR⁴/60t μπ²NR³/60t μπ²NR²/60t μπ²NR/60t μπ²NR⁴/60t μπ²NR³/60t ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through an external mouthpiece is given by (where a = Cross-sectional area of the mouthpiece, and H = Height of liquid above the mouthpiece) 1.585 a.√(2gH) 5.85 aH.√(2g) 1.855 aH.√(2g) 0.855 a.√(2gH) 1.585 a.√(2gH) 5.85 aH.√(2g) 1.855 aH.√(2g) 0.855 a.√(2gH) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME An air vessel is provided at the summit in a siphon to Avoid interruption in the flow Increase velocity Maintain pressure difference Increase discharge Avoid interruption in the flow Increase velocity Maintain pressure difference Increase discharge ANSWER DOWNLOAD EXAMIANS APP
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