Hydraulics and Fluid Mechanics in ME In reaction turbine, draft tube is used To increase flow rate For safety of turbine To transport water downstream without eddies To convert the kinetic energy to flow energy by a gradual expansion of the flow cross-section To increase flow rate For safety of turbine To transport water downstream without eddies To convert the kinetic energy to flow energy by a gradual expansion of the flow cross-section ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The velocity at which the laminar flow stops, is known as Higher critical velocity Lower critical velocity None of these Velocity of approach Higher critical velocity Lower critical velocity None of these Velocity of approach ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a Francis turbine runner, the numbers of blades are generally between 16 to 24 8 to 16 2 to 4 4 to 8 16 to 24 8 to 16 2 to 4 4 to 8 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The mass of 2.5 m3 of a certain liquid is 2 tonnes. Its mass density is 400 kg/m3 600 kg/m3 800 kg/m3 200 kg/m3 400 kg/m3 600 kg/m3 800 kg/m3 200 kg/m3 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A rectangular block 2 m long, 1 m wide and 1 m deep floats in water, the depth of immersion being 0.5 m. If water weighs 10 kN/m3, then the weight of the block is 5kN 15 kN 20 kN lOkN 5kN 15 kN 20 kN lOkN ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When an ideal fluid flows past a sphere lowest pressure intensity occurs at rear stagnation point lowest pressure intensity occurs at front stagnation point highest intensity of pressure occurs around the circumference at right angles to flow total drag is zero lowest pressure intensity occurs at rear stagnation point lowest pressure intensity occurs at front stagnation point highest intensity of pressure occurs around the circumference at right angles to flow total drag is zero ANSWER DOWNLOAD EXAMIANS APP
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