Hydraulics and Fluid Mechanics in ME Which of the following statement is correct as regard to water wheels? They are suitable even for low water heads They have slow speeds All of these They give constant efficiency, even if the discharge is not constant They are suitable even for low water heads They have slow speeds All of these They give constant efficiency, even if the discharge is not constant ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The efficiency of a hydraulic press is given by (where W = Weight lifted by ram, P = Force applied on plunger, A = Area of ram, and a = Area of plunger) (p/W) × (a/A) (W/p) × (a/A) (p/W) × (A/a) (W/p) × (A/a) (p/W) × (a/A) (W/p) × (a/A) (p/W) × (A/a) (W/p) × (A/a) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Multistage centrifugal pumps are used to Pump viscous fluids Give high discharge Produce high heads All of these Pump viscous fluids Give high discharge Produce high heads All of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to Bazin's formula, the discharge over a rectangular weir is mL2g x H3/2 where m is equal to 0.003 + (0.405/H) 0.405 + (0.003/H) 0.405 + (H/0.003) 0.003 + (H/0.405) 0.003 + (0.405/H) 0.405 + (0.003/H) 0.405 + (H/0.003) 0.003 + (H/0.405) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge over a rectangular notch is (where b = Width of notch, and H = Height of liquid, above the sill of the notch) (2/3) Cd × b × √(2g) × H3/2 (2/3) Cd × b × √(2gH) (2/3) Cd × b × √(2g) × H2 (2/3) Cd × b × √(2g) × H (2/3) Cd × b × √(2g) × H3/2 (2/3) Cd × b × √(2gH) (2/3) Cd × b × √(2g) × H2 (2/3) Cd × b × √(2g) × H ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A body floats in stable equilibrium When its meatcentric height is zero When the metacentre is above e.g. Metacentre has nothing to do with position of e.g. for determining stability When its e.g. is below its center of buoyancy When its meatcentric height is zero When the metacentre is above e.g. Metacentre has nothing to do with position of e.g. for determining stability When its e.g. is below its center of buoyancy ANSWER DOWNLOAD EXAMIANS APP
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