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 μπ²NR/60t μπ²NR⁴/60t μπ²NR³/60t μπ²NR²/60t μπ²NR/60t μπ²NR⁴/60t ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A double overhung Pelton wheel has Four runners Two jets Four jets Two runners Four runners Two jets Four jets Two runners ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A flow is called super-sonic if the Velocity of flow is very high None of these Discharge is difficult to measure Mach number is between 1 and 6 Velocity of flow is very high None of these Discharge is difficult to measure Mach number is between 1 and 6 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a single casing, multistage pump running at constant speed, the capacity rating is to be slightly lowered. It can be done by Trimming the impeller size to the required size by machining Not possible Designing new impeller Some other alterations in the impeller Trimming the impeller size to the required size by machining Not possible Designing new impeller Some other alterations in the impeller ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a Kaplan turbine runner, the numbers of blades are generally between 16 to 24 8 to 16 2 to 4 4 to 8 16 to 24 8 to 16 2 to 4 4 to 8 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A weir is said to be broad crested weir, if the width of the crest of the weir is ________ half the height of water above the weir crest. None of these Equal to More than Less than None of these Equal to More than Less than ANSWER DOWNLOAD EXAMIANS APP