Hydraulics and Fluid Mechanics in ME The velocity at which the laminar flow stops, is known as Lower critical velocity Higher critical velocity Velocity of approach None of these Lower critical velocity Higher critical velocity Velocity of approach None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The total head of a liquid particle in motion is equal to Pressure head - (kinetic head + potential head) Potential head - (pressure head + kinetic head) Pressure head + kinetic head + potential head Kinetic head - (pressure head + potential head) Pressure head - (kinetic head + potential head) Potential head - (pressure head + kinetic head) Pressure head + kinetic head + potential head Kinetic head - (pressure head + potential head) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The vapour pressure over the concave surface is greater than the vapour pressure over the plane surface zero less man the vapour pressure over the plane surface equal to the vapour pressure over the plane surface greater than the vapour pressure over the plane surface zero less man the vapour pressure over the plane surface equal to the vapour pressure over the plane surface ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The capillary rise at 20°C in a clean glass tube of 1 mm bore containing water is approximately 20 mm 30 mm 10 mm 5 mm 20 mm 30 mm 10 mm 5 mm ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A tank of uniform cross-sectional area (A) containing liquid upto height (H1) has an orifice of cross-sectional area (a) at its bottom. The time required to empty the tank completely will be (2AH₁²)/(Cd × a√2g) (2AH₁3/2)/(Cd × a√2g) (2A√H₁)/(Cd × a√2g) (2AH₁)/(Cd × a√2g) (2AH₁²)/(Cd × a√2g) (2AH₁3/2)/(Cd × a√2g) (2A√H₁)/(Cd × a√2g) (2AH₁)/(Cd × a√2g) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a free nappe, The pressure below the nappe is negative The pressure above the nappe is negative The pressure below the nappe is atmospheric The pressure above the nappe is atmospheric The pressure below the nappe is negative The pressure above the nappe is negative The pressure below the nappe is atmospheric The pressure above the nappe is atmospheric ANSWER DOWNLOAD EXAMIANS APP