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) × (R₁³ - R₂³) (μπ²N/60t) × (R₁⁴ - R₂⁴) (μπ²N/60t) × (R₁² - R₂²) (μπ²N/60t) × (R₁ - R₂) μπ²N/60t) × (R₁³ - R₂³) (μπ²N/60t) × (R₁⁴ - R₂⁴) (μπ²N/60t) × (R₁² - R₂²) (μπ²N/60t) × (R₁ - R₂) 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 (V1² - V2²) / V1² V1 / (V1 - V2) (V1 - V2) / V1 V1² / (V1² - V2²) (V1² - V2²) / V1² V1 / (V1 - V2) (V1 - V2) / V1 V1² / (V1² - V2²) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The unit of viscosity is Newton-sec per meter² Meters² per sec kg-sec/meter Newton-sec per meter Newton-sec per meter² Meters² per sec kg-sec/meter Newton-sec per meter ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a Francis turbine runner, the numbers of blades are generally between 8 to 16 2 to 4 4 to 8 16 to 24 8 to 16 2 to 4 4 to 8 16 to 24 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If no resistance is encountered by displacement, such a substance is known as Gas Fluid Water Ideal fluid Gas Fluid Water Ideal fluid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Euler's number is the ratio of __________ force to pressure force. Gravity None of these Viscous Inertia Gravity None of these Viscous Inertia ANSWER DOWNLOAD EXAMIANS APP