Hydraulics and Fluid Mechanics in ME The point in the immersed body through which the resultant pressure of the liquid may be taken to act is known as center of buoyancy center of pressure center of gravity metacentre center of buoyancy center of pressure center of gravity metacentre ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The body will sink down if the force of buoyancy is __________ the weight of the liquid displaced. Equal to More than Less than None of these Equal to More than Less than None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When the Mach number is between ___ the flow is called super-sonic flow. 1 and 2.5 2.5 and 4 1 and 6 4 and 6 1 and 2.5 2.5 and 4 1 and 6 4 and 6 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME During the opening of a valve in a pipe line, the flow is Steady Unsteady Laminar Uniform Steady Unsteady Laminar Uniform 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) (2A√H₁)/(Cd × a√2g) (2AH₁3/2)/(Cd × a√2g) (2AH₁)/(Cd × a√2g) (2AH₁²)/(Cd × a√2g) (2A√H₁)/(Cd × a√2g) (2AH₁3/2)/(Cd × a√2g) (2AH₁)/(Cd × a√2g) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The theoretical velocity of jet at vena contracta is (where H = Head of water at vena contracta) H × √(2g) 2gH 2g × √H √(2gh) H × √(2g) 2gH 2g × √H √(2gh) ANSWER DOWNLOAD EXAMIANS APP