Hydraulics and Fluid Mechanics in ME The most economical section of a trapezoidal channel is one which has hydraulic mean depth equal to 1/2 × breadth 1/4 × (depth + breadth) 1/2 × depth 1/2 × sloping side 1/2 × breadth 1/4 × (depth + breadth) 1/2 × depth 1/2 × sloping side ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The power developed by a turbine is (where H = Head of water under which the turbine is working) Inversely proportional to H3/2 Directly proportional to H1/2 Directly proportional to H3/2 Inversely proportional to H1/2 Inversely proportional to H3/2 Directly proportional to H1/2 Directly proportional to H3/2 Inversely proportional to H1/2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For hypersonic flow, the Mach number is greater than 2 greater than 4 greater than unity unity greater than 2 greater than 4 greater than unity unity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The function of guide vanes in a reaction turbine is to Allow the water to enter the runner without shock Allow the water to flow over them, without forming eddies Allow the required quantity of water to enter the turbine All of the listed here Allow the water to enter the runner without shock Allow the water to flow over them, without forming eddies Allow the required quantity of water to enter the turbine All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For pipes, turbulent flow occurs when Reynolds number is less than 4000 more than 4000 between 2000 and 4000 less than 2000 less than 4000 more than 4000 between 2000 and 4000 less than 2000 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to Bazin's formula, the discharge over a rectangular weir is mL2g x H3/2 where m is equal to 0.405 + (0.003/H) 0.003 + (H/0.405) 0.405 + (H/0.003) 0.003 + (0.405/H) 0.405 + (0.003/H) 0.003 + (H/0.405) 0.405 + (H/0.003) 0.003 + (0.405/H) ANSWER DOWNLOAD EXAMIANS APP