Hydraulics and Fluid Mechanics in ME If V1 and V2 are the velocities of water at inlet and outlet of the draft tube respectively, then the efficiency of a draft tube is (V1 - V2) / V1 (V1² - V2²) / V1² V1 / (V1 - V2) V1² / (V1² - V2²) (V1 - V2) / V1 (V1² - V2²) / V1² V1 / (V1 - V2) V1² / (V1² - V2²) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When a body is placed over a liquid, it will sink down if Gravitational force is less than the up-thrust of the liquid None of these Gravitational force is more than the up-thrust of the liquid Gravitational force is equal to the up-thrust of the liquid Gravitational force is less than the up-thrust of the liquid None of these Gravitational force is more than the up-thrust of the liquid Gravitational force is equal to the up-thrust of the liquid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a broad-crested weir, the discharge is maximum if the head of water on the downstream side of weir is __________ the head of water on the upstream side of weir. Equal to Two-third Three-fourth One-third Equal to Two-third Three-fourth One-third ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Hydraulic accumulator is used for Generally high pressures to operate hydraulic machines Supplying large quantities of oil for very short duration Accumulating oil Supplying energy when main supply fails Generally high pressures to operate hydraulic machines Supplying large quantities of oil for very short duration Accumulating oil Supplying energy when main supply fails ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The divergent portion of a Venturimeter is made longer than convergent portion in order to Avoid the tendency of breaking away the stream of liquid None of these To minimize frictional losses Both (A) and (B) Avoid the tendency of breaking away the stream of liquid None of these To minimize frictional losses Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The fluid forces considered in the Navier Stokes equation are gravity, pressure and turbulent gravity, pressure and viscous gravity, viscous and turbulent pressure, viscous and turbulent gravity, pressure and turbulent gravity, pressure and viscous gravity, viscous and turbulent pressure, viscous and turbulent ANSWER DOWNLOAD EXAMIANS APP
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