Hydraulics and Fluid Mechanics in ME A flow is called hyper-sonic, if the Mach number is Less than unity Between 1 and 6 Unity None of these Less than unity Between 1 and 6 Unity None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The hydraulic efficiency of a reaction turbine, is the ratio of Power produced by the turbine to the energy actually supplied by the turbine Actual work available at the turbine to energy imparted to the wheel None of these Work-done on the wheel to the energy (or head of water) actually supplied to the turbine Power produced by the turbine to the energy actually supplied by the turbine Actual work available at the turbine to energy imparted to the wheel None of these Work-done on the wheel to the energy (or head of water) actually supplied to the turbine ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The viscosity of water is __________ than that of mercury. Lower Higher None of these Same as Lower Higher None of these Same as ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME One stoke is equal to 10-2 m2/s 10-4 m2/s 10-6 m2/s 10-3 m2/s 10-2 m2/s 10-4 m2/s 10-6 m2/s 10-3 m2/s ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When time of closure tc = L/v0 (where L is length of pipe and v0 is speed of pressure wave), the portion of pipe length subjected to maximum head is L/3 L/4 L/2 L L/3 L/4 L/2 L 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) μπ²NR²/60t μπ²NR³/60t μπ²NR/60t μπ²NR⁴/60t μπ²NR²/60t μπ²NR³/60t μπ²NR/60t μπ²NR⁴/60t ANSWER DOWNLOAD EXAMIANS APP
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