Hydraulics and Fluid Mechanics in ME The most economical section of a trapezoidal channel is one which has hydraulic mean depth equal to 1/2 × sloping side 1/2 × depth 1/2 × breadth 1/4 × (depth + breadth) 1/2 × sloping side 1/2 × depth 1/2 × breadth 1/4 × (depth + breadth) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Surface tension Is a function of the curvature of the interface Is also known as capillarity Decreases with fall in temperature Acts in the plane of the interface normal to any line in the surface Is a function of the curvature of the interface Is also known as capillarity Decreases with fall in temperature Acts in the plane of the interface normal to any line in the surface ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The maximum efficiency of transmission through a pipe is 0.6667 0.567 0.5 0.7666 0.6667 0.567 0.5 0.7666 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Geometric similarity is said to exist between the model and the prototype, if both of them Are identical in shape, but differ only in size Are equal in size and shape Have identical velocities Have identical forces Are identical in shape, but differ only in size Are equal in size and shape Have identical velocities Have identical forces ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a footstep bearing, if the radius of the shaft is doubled, then the torque required to overcome the viscous resistance will be Four times Eight times Double Sixteen times Four times Eight times Double Sixteen times ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Resultant pressure of the liquid in the case of an immersed body acts through Metacentre Centre of gravity Centre of pressure Centre of buoyancy Metacentre Centre of gravity Centre of pressure Centre of buoyancy ANSWER DOWNLOAD EXAMIANS APP
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