Hydraulics and Fluid Mechanics in ME The overall efficiency for a Pelton wheel lies between 0.85 to 0.90 0.50 to 0.65 0.75 to 0.85 0.65 to 0.75 0.85 to 0.90 0.50 to 0.65 0.75 to 0.85 0.65 to 0.75 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to Manning's formula, the discharge through an open channel is (where M = Manning's constant) A2/3 × M1/3 × m × i A × M × m1/2 × i2/3 A × M × m2/3 × i1/2 A1/2 × M2/3 × m × i A2/3 × M1/3 × m × i A × M × m1/2 × i2/3 A × M × m2/3 × i1/2 A1/2 × M2/3 × m × i ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In open channels, the specific energy is the Kinetic energy plotted above the free surface of water Total energy measured with respect to the datum passing through the bottom of the channel Total energy measured above the horizontal datum Total energy per unit discharge Kinetic energy plotted above the free surface of water Total energy measured with respect to the datum passing through the bottom of the channel Total energy measured above the horizontal datum Total energy per unit discharge ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME An orifice is said to be large, if The available head of liquid is less than 5 times the height of orifice The velocity of flow is large The available head of liquid is more than 5 times the height of orifice The size of orifice is large The available head of liquid is less than 5 times the height of orifice The velocity of flow is large The available head of liquid is more than 5 times the height of orifice The size of orifice is large ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The depth of the centre of pressure on a vertical rectangular gate 8 m wide and 6 m high, when the water surface coincides with the top of the gate, is 2.4 m 3.0 m 4.0 m 5.0 m 2.4 m 3.0 m 4.0 m 5.0 m ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For similarity, in addition to models being geometrically similar to prototype, the following in both cases should also be equal ratio of inertial force to force due to surface tension ratio of inertial force to force due to viscosity all the four ratios of inertial force to force due to viscosity, gravitation, surface tension, and elasticity ratio of inertial force to force due to gravitation ratio of inertial force to force due to surface tension ratio of inertial force to force due to viscosity all the four ratios of inertial force to force due to viscosity, gravitation, surface tension, and elasticity ratio of inertial force to force due to gravitation ANSWER DOWNLOAD EXAMIANS APP
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