Hydraulics and Fluid Mechanics in ME The velocity corresponding to Reynold number of 2000 is called Higher critical velocity Lower critical velocity Sub-sonic velocity Super-sonic velocity Higher critical velocity Lower critical velocity Sub-sonic velocity Super-sonic velocity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The maximum thickness of boundary layer in a pipe of radius r is r r/2 2r r r/2 2r ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The specific weight of water in S.I. units is taken as Any one of these 9.81 kN/m3 9.81 × 10-6 N/mm3 9.81 × 103 N/m3 Any one of these 9.81 kN/m3 9.81 × 10-6 N/mm3 9.81 × 103 N/m3 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME With an increase in size of tube, the rise or depression of liquid in the tube due to surface tension will Decrease Depend upon the characteristics of liquid Increase Remain unchanged Decrease Depend upon the characteristics of liquid Increase Remain unchanged ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If the elevation of hydraulic grade line at the junction of three pipes is above the elevation of reservoirs B and C and below reservoir A, then the direction of flow will be from reservoir B to reservoirs C and A from reservoir A to reservoirs B and C unpredictable from reservoir C to reservoirs A and B from reservoir B to reservoirs C and A from reservoir A to reservoirs B and C unpredictable from reservoir C to reservoirs A and B ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The efficiency of a Pelton wheel working under constant head ________ with the increase in power. None of these Decreases Increases Remain same None of these Decreases Increases Remain same ANSWER DOWNLOAD EXAMIANS APP
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