Hydraulics and Fluid Mechanics in ME Meta-centric height is given as the distance between The center of gravity of the body and the center of buoyancy Center of buoyancy and metacenter The center of gravity of the body and the metacenter The center of gravity of the body and the center of pressure The center of gravity of the body and the center of buoyancy Center of buoyancy and metacenter The center of gravity of the body and the metacenter The center of gravity of the body and the center of pressure ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The loss of head due to friction in a pipe of uniform diameter in which a viscous flow is taking place, is (where RN = Reynold number) 1/RN 64/RN 16/RN 4/RN 1/RN 64/RN 16/RN 4/RN ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A flow is called hyper-sonic, if the Mach number is Less than unity Unity None of these Between 1 and 6 Less than unity Unity None of these Between 1 and 6 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Francis turbine is best suited for Low head installation up to 30 m Medium head application from 24 to 180 m All types of heads High head installation above 180 m Low head installation up to 30 m Medium head application from 24 to 180 m All types of heads High head installation above 180 m ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through a wholly drowned orifice is given by (where H1 = Height of water (on the upstream side) above the top of the orifice, H2 = Height of water (on the downstream side) above the bottom of the orifice, and H = Difference between two water levels on either side of the orifice) Q = Cd × bH₁ × √(2gh) Q = Cd × bH × √(2gh) Q = Cd × bH2 × √(2gh) Q = Cd × b (H2 - H1) × √(2gh) Q = Cd × bH₁ × √(2gh) Q = Cd × bH × √(2gh) Q = Cd × bH2 × √(2gh) Q = Cd × b (H2 - H1) × √(2gh) 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) × (R₁⁴ - R₂⁴) (μπ²N/60t) × (R₁ - R₂) (μπ²N/60t) × (R₁² - R₂²) μπ²N/60t) × (R₁³ - R₂³) (μπ²N/60t) × (R₁⁴ - R₂⁴) (μπ²N/60t) × (R₁ - R₂) (μπ²N/60t) × (R₁² - R₂²) μπ²N/60t) × (R₁³ - R₂³) ANSWER DOWNLOAD EXAMIANS APP