Hydraulics and Fluid Mechanics in ME A valve is suddenly closed in a water main in wl.ich the velocity is 1 m/sec and velocity of pressure wave is 981 m/ sec. The inertia head at the valve will be 100m 10m None of these 1 m 100m 10m None of these 1 m ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When a piping system is made up primarily of friction head and very little of vertical lift, then pump characteristics should be First rise and then fall Horizontal Steep Nearly horizontal First rise and then fall Horizontal Steep Nearly horizontal ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Reciprocating pumps are no more to be seen in industrial applications (in comparison to centrifugal pumps) because of Lower speed of operation Necessity of air vessel Lower discharge High initial and maintenance cost Lower speed of operation Necessity of air vessel Lower discharge High initial and maintenance cost ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If V1 and V2 are the velocities of water at inlet and outlet of the draft tube respectively, then the efficiency of a draft tube is (V1 - V2) / V1 (V1² - V2²) / V1² V1² / (V1² - V2²) V1 / (V1 - V2) (V1 - V2) / V1 (V1² - V2²) / V1² V1² / (V1² - V2²) V1 / (V1 - V2) 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) μπ²NR⁴/60t μπ²NR/60t μπ²NR³/60t μπ²NR²/60t μπ²NR⁴/60t μπ²NR/60t μπ²NR³/60t μπ²NR²/60t ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The top of the weir over which the water flows is known as Orifice Sill or crest None of these Nappe or vein Orifice Sill or crest None of these Nappe or vein ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS