Hydraulics and Fluid Mechanics in ME The velocity at which the flow changes from laminar flow to turbulent flow is called Super-sonic velocity Critical velocity Velocity of approach Sub-sonic velocity Super-sonic velocity Critical velocity Velocity of approach Sub-sonic velocity 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 (2A√H₁)/(Cd × a√2g) (2AH₁3/2)/(Cd × a√2g) (2AH₁²)/(Cd × a√2g) (2AH₁)/(Cd × a√2g) (2A√H₁)/(Cd × a√2g) (2AH₁3/2)/(Cd × a√2g) (2AH₁²)/(Cd × a√2g) (2AH₁)/(Cd × a√2g) ANSWER DOWNLOAD EXAMIANS APP
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 / (V1 - V2) (V1² - V2²) / V1² (V1 - V2) / V1 V1² / (V1² - V2²) V1 / (V1 - V2) (V1² - V2²) / V1² (V1 - V2) / V1 V1² / (V1² - V2²) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If no resistance is encountered by displacement, such a substance is known as Ideal fluid Fluid Water Gas Ideal fluid Fluid Water Gas ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The conditions for the stable equilibrium of a floating body are a righting couple should be formed all the above are correct the meta-center should lie above the center of gravity the center of buoyancy and the center of gravity must lie on the same vertical line a righting couple should be formed all the above are correct the meta-center should lie above the center of gravity the center of buoyancy and the center of gravity must lie on the same vertical line ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For hypersonic flow, the Mach number is greater than 2 unity greater than 4 greater than unity greater than 2 unity greater than 4 greater than unity ANSWER DOWNLOAD EXAMIANS APP