Hydraulics and Fluid Mechanics in ME The efficiency of a Pelton wheel working under constant head ________ with the increase in power. None of these Increases Decreases Remain same None of these Increases Decreases Remain same ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through a convergent mouthpiece is __________ the discharge through an internal mouthpiece of the same diameter and head of water. One-half Double Equal to Three fourth One-half Double Equal to Three fourth ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The specific speed of a centrifugal pump, delivering 750 liters of water per second against a head of 15 meters at 725 r.p.m., is 24.8 r.p.m. 248 r.p.m 82.4 r.p.m. 48.2 r.p.m 24.8 r.p.m. 248 r.p.m 82.4 r.p.m. 48.2 r.p.m ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The coefficient of viscosity may be determined by Orifice type viscometer Capillary tube method All of these Rotating cylinder method Orifice type viscometer Capillary tube method All of these Rotating cylinder method ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Kinematic viscosity is equal to 1/dynamicviscosity x density dynamic viscosity/density dynamicviscosity x density density/dynamic viscosity 1/dynamicviscosity x density dynamic viscosity/density dynamicviscosity x density density/dynamic viscosity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The resultant upward pressure of a fluid on a floating body is equal to the weight of the fluid displaced by the body. This definition is according to Archimedes’ principle Buoyancy Equilibrium of a floating body Bernoulli’s theorem Archimedes’ principle Buoyancy Equilibrium of a floating body Bernoulli’s theorem ANSWER DOWNLOAD EXAMIANS APP
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