Hydraulics and Fluid Mechanics in ME Ratio of inertia force to surface Jension is known as Mach number Weber’s number Reynold’s number Froude number Mach number Weber’s number Reynold’s number Froude number ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The specific speed (Ns) of a centrifugal pump is given by (N√Q)/H2/3 (N√Q)/H5/4 (N√Q)/H (N√Q)/H3/4 (N√Q)/H2/3 (N√Q)/H5/4 (N√Q)/H (N√Q)/H3/4 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For pipes, laminar flow occurs when Reynolds number is Less than 2000 Less than 4000 More than 4000 Between 2000 and 4000 Less than 2000 Less than 4000 More than 4000 Between 2000 and 4000 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a static fluid Fluid pressure is zero Only normal stresses can exist Linear deformation is small Resistance to shear stress is small Fluid pressure is zero Only normal stresses can exist Linear deformation is small Resistance to shear stress is small ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The most economical section of a rectangular channel is one which has hydraulic mean depth or hydraulic radius equal to Twice the depth Half the depth Half the breadth Twice the breadth Twice the depth Half the depth Half the breadth Twice the breadth ANSWER DOWNLOAD EXAMIANS APP
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 × breadth 1/2 × depth 1/4 × (depth + breadth) 1/2 × sloping side 1/2 × breadth 1/2 × depth 1/4 × (depth + breadth) 1/2 × sloping side ANSWER DOWNLOAD EXAMIANS APP