Hydraulics and Fluid Mechanics in ME When a vertical wall is subjected to pressures due to liquid on both sides, the resultant pressure is the __________ of the two pressures. Geometric mean Sum Arithmetic mean Difference Geometric mean Sum Arithmetic mean Difference ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The cavitation in a hydraulic machine All of these Reduces the discharge of a turbine Causes sudden drop in power output and efficiency Causes noise and vibration of various parts All of these Reduces the discharge of a turbine Causes sudden drop in power output and efficiency Causes noise and vibration of various parts ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through a reaction turbine with increase in unit speed Decreases Remain unaffected Increases First increases and then decreases Decreases Remain unaffected Increases First increases and then decreases ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The surface tension of mercury at normal temperature is __________ that of water. Higher than Lower than Same as None of these Higher than Lower than Same as None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The torque required to overcome viscous resistance of a collar bearing is (where R1 and R2 = External and internal radius of collar) (μπ²N/60t) × (R₁² - R₂²) (μπ²N/60t) × (R₁ - R₂) μπ²N/60t) × (R₁³ - R₂³) (μπ²N/60t) × (R₁⁴ - R₂⁴) (μπ²N/60t) × (R₁² - R₂²) (μπ²N/60t) × (R₁ - R₂) μπ²N/60t) × (R₁³ - R₂³) (μπ²N/60t) × (R₁⁴ - R₂⁴) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When the Mach number is less than unity, the flow is called Sub-sonic flow Hyper-sonic flow Sonic flow Super-sonic flow Sub-sonic flow Hyper-sonic flow Sonic flow Super-sonic flow ANSWER DOWNLOAD EXAMIANS APP
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