Hydraulics and Fluid Mechanics in ME Re-entrant or Borda's mouthpiece is an __________ mouthpiece. Internal External None of these Both A and B Internal External None of these Both A and B ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The liquid used in manometers should have Low surface tension Low density High density High surface tension Low surface tension Low density High density High surface tension ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When the Mach number is between ___ the flow is called super-sonic flow. 1 and 6 2.5 and 4 4 and 6 1 and 2.5 1 and 6 2.5 and 4 4 and 6 1 and 2.5 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A liquid would wet the solid, if adhesion forces as compared to cohesion forces are equal less at low temperature and more at high temperature more less equal less at low temperature and more at high temperature more less ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A turbine is required to develop 1500 kW at 300 r.p.m. under a head of 150 m. Which of the following turbine should be used? Francis turbine Pelton wheel with two or more nozzles Kaplan turbine Pelton wheel with one nozzle Francis turbine Pelton wheel with two or more nozzles Kaplan turbine Pelton wheel with one nozzle ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge over a rectangular weir, considering the velocity of approach, is (whereH1 = H + Ha = Total height of water above the weir, H = Height of water over the crest of the weir, and Ha = Height of water due to velocity of approach) (2/3) Cd × L.√2g [H12 - Ha2] (2/3) Cd × L. √2g [H13/2 - Ha3/2] (2/3) Cd × L.√2g [H1 - Ha] (2/3) Cd × L. √2g [H15/2 - Ha5/2] (2/3) Cd × L.√2g [H12 - Ha2] (2/3) Cd × L. √2g [H13/2 - Ha3/2] (2/3) Cd × L.√2g [H1 - Ha] (2/3) Cd × L. √2g [H15/2 - Ha5/2] ANSWER DOWNLOAD EXAMIANS APP
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