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 give constant efficiency, even if the discharge is not constant They have slow speeds All of these They are suitable even for low water heads They give constant efficiency, even if the discharge is not constant They have slow speeds All of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If mercury in a barometer is replaced by water, the height of 3.75 cm of mercury will be following cm of water 50 cm 52.2 cm 52 cm 51 cm 50 cm 52.2 cm 52 cm 51 cm 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) (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) (p/W) × (A/a) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A one dimensional flow is one which is steady uniform flow takes place in straight lines involves zero transverse component of flow is uniform flow is steady uniform flow takes place in straight lines involves zero transverse component of flow is uniform flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The depth ‘d’ below the free surface at which the point velocity is equal to the average velocity of flow for a uniform laminar flow with a free surface, will be (where D is the depth of flow) 0.707 D 0.423 D 0.223 D 0.577 D 0.707 D 0.423 D 0.223 D 0.577 D ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The two important forces for a floating body are inertial, gravity buoyancy, pressure buoyancy, gravity buoyancy, inertial inertial, gravity buoyancy, pressure buoyancy, gravity buoyancy, inertial ANSWER DOWNLOAD EXAMIANS APP
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