Hydraulics and Fluid Mechanics in ME Coefficient of contraction is the ratio of Actual velocity of jet at vena contracta to the theoretical velocity Loss of head in the orifice to the head of water available at the exit of the orifice Loss of head in the orifice to the head of water available at the exit of the orifice Area of jet at vena-contracta to the area of orifice Actual velocity of jet at vena contracta to the theoretical velocity Loss of head in the orifice to the head of water available at the exit of the orifice Loss of head in the orifice to the head of water available at the exit of the orifice Area of jet at vena-contracta to the area of orifice ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Discharge of a centrifugal pump is (where N = Speed of the pump impeller) Inversely proportional to N Directly proportional to N² Directly proportional to N Inversely proportional to N² Inversely proportional to N Directly proportional to N² Directly proportional to N Inversely proportional to N² ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The flow in a pipe is turbulent when Reynold number is More than 2800 Between 2000 and 2800 Less than 2000 None of these More than 2800 Between 2000 and 2800 Less than 2000 None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The ratio of the inertia force to the viscous force is called Reynold's number Euler's number Weber's number Froude's number Reynold's number Euler's number Weber's number Froude's number ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The value of the coefficient of compressibility for water at ordinary pressure and temperature in kg/cm is equal to 10000 2100 2700 21000 10000 2100 2700 21000 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which of the following statement is correct as regard to water wheels? They are suitable even for low water heads They give constant efficiency, even if the discharge is not constant They have slow speeds All of these They are suitable even for low water heads They give constant efficiency, even if the discharge is not constant They have slow speeds All of these ANSWER DOWNLOAD EXAMIANS APP