Hydraulics and Fluid Mechanics in ME Coefficient of discharge Cd is equal to (where Cc = Coefficient of contraction, Cv = Coefficient of velocity, and Cr = Coefficient of resistance) Cc/Cr Cv × Cr Cc × Cv Cc × Cr Cc/Cr Cv × Cr Cc × Cv Cc × Cr ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The torque required to overcome viscous resistance of a footstep bearing is (where μ = Viscosity of the oil, N = Speed of the shaft, R = Radius of the shaft, and t = Thickness of the oil film) μπ²NR³/60t μπ²NR²/60t μπ²NR⁴/60t μπ²NR/60t μπ²NR³/60t μπ²NR²/60t μπ²NR⁴/60t μπ²NR/60t ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For very high discharge at low pressure such as for flood control and irrigation applications, following type of pump is preferred Axial flow Mixed flow Centrifugal Reciprocating Axial flow Mixed flow Centrifugal Reciprocating 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 ap-proximately 30 mm 20 mm 5 mm 10 mm 30 mm 20 mm 5 mm 10 mm ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The speed ratio in case of Francis turbine varies from 0.15 to 0.3 1 to 1.5 0.6 to 0.9 0.4 to 0.5 0.15 to 0.3 1 to 1.5 0.6 to 0.9 0.4 to 0.5 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The flow in a pipe is neither laminar nor turbulent when Reynold number is Between 2000 and 2800 Less than 2000 More than 2800 None of these Between 2000 and 2800 Less than 2000 More than 2800 None of these ANSWER DOWNLOAD EXAMIANS APP