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) None of the listed here K.ρ K/ρ ρ/K None of the listed here K.ρ K/ρ ρ/K ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Reynold's number is the ratio of the inertia force to the Elastic force Viscous force Surface tension force Gravity force Elastic force Viscous force Surface tension force Gravity force ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The sheet of water flowing over a notch or a weir is known as Nappe or vein Orifice None of these Sill or crest Nappe or vein Orifice None of these Sill or crest ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Braking jet in an impulse turbine is used To break the jet of water None of these To change the direction of runner To bring the runner to rest in a short time To break the jet of water None of these To change the direction of runner To bring the runner to rest in a short time ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A right circular cylinder open at the top is filled with liquid and rotated about its vertical axis at such a speed that half the liquid spills out, then the pressure intensity at the center of bottom is one-half its value when cylinder was full one-fourth its value when cylinder was full zero cannot be predicted from the given data one-half its value when cylinder was full one-fourth its value when cylinder was full zero cannot be predicted from the given data ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Power required (in watts) to drive a centrifugal pump is (where Hm = Manometric head in metres, w = Specific weight in N/m3, Q = Discharge of the pump in m3/s, and ηo = Overall efficiency of the pump) (w Hm Q) / ηo (w Q) / (Hm × ηo) (w Q ηo) / Hm (w Hm) / (Q × ηo) (w Hm Q) / ηo (w Q) / (Hm × ηo) (w Q ηo) / Hm (w Hm) / (Q × ηo) ANSWER DOWNLOAD EXAMIANS APP