Hydraulics and Fluid Mechanics in ME All the terms of energy in Bernoulli’s equation have dimension of energy mass length work energy mass length work ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME At the center line of a pipe flowing under pressure where the velocity gradient is zero, the shear stress will be Maximum Could be any value Minimum Zero Maximum Could be any value Minimum Zero ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The maximum thickness of boundary layer in a pipe of radius r is 2r r/2 r 2r r/2 r ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In reaction turbine, draft tube is used To transport water downstream without eddies For safety of turbine To convert the kinetic energy to flow energy by a gradual expansion of the flow cross-section To increase flow rate To transport water downstream without eddies For safety of turbine To convert the kinetic energy to flow energy by a gradual expansion of the flow cross-section To increase flow rate ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A Pelton wheel develops 1750 kW under a head of 100 meters while running at 200 r.p.m. and discharging 2500 liters of water per second. The unit speed of the wheel is 10 r.p.m. 40 r.p.m. 20 r.p.m. 80 r.p.m. 10 r.p.m. 40 r.p.m. 20 r.p.m. 80 r.p.m. ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The hydraulic mean depth or the hydraulic radius is the ratio of None of these Velocity of flow and area of flow Wetted perimeter and diameter of pipe Area of flow and wetted perimeter None of these Velocity of flow and area of flow Wetted perimeter and diameter of pipe Area of flow and wetted perimeter ANSWER DOWNLOAD EXAMIANS APP
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