Hydraulics and Fluid Mechanics in ME The time oscillation of a floating body with increase in metacentric height will be lower/higher depending on weight of body lower same higher lower/higher depending on weight of body lower same higher ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Geometric similarity is said to exist between the model and the prototype, if both of them Have identical velocities Are identical in shape, but differ only in size Have identical forces Are equal in size and shape Have identical velocities Are identical in shape, but differ only in size Have identical forces Are equal in size and shape ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The cavitation in reaction turbines is avoided, to a great extent by Installing the turbine below the tail race level Using stainless steel runner of the turbine Providing highly polished blades to the runner All of these Installing the turbine below the tail race level Using stainless steel runner of the turbine Providing highly polished blades to the runner All of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The celerity (velocity) of a pressure wave in a fluid is given by (where K = Bulk modulus, and ρ = Density of the fluid) K.ρ None of the listed here K/ρ ρ/K K.ρ None of the listed here K/ρ ρ/K 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/2 L/4 L L/3 L/2 L/4 L L/3 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The hydraulic efficiency of an impulse turbine is maximum when velocity of wheel is _______ of the jet velocity, One-half Double Three-fourth One-fourth One-half Double Three-fourth One-fourth ANSWER DOWNLOAD EXAMIANS APP