Hydraulics and Fluid Mechanics in ME The specific weight of water in S.I. units is taken as 9.81 × 103 N/m3 9.81 kN/m3 9.81 × 10-6 N/mm3 Any one of these 9.81 × 103 N/m3 9.81 kN/m3 9.81 × 10-6 N/mm3 Any one of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The value of coefficient of velocity for a sharp edged orifice __________ with the head of water. Remain same None of these Decreases Increases Remain same None of these Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The loss of pressure head in case of laminar flow is proportional to (Velocity)2 (Velocity)4 Velocity (Velocity)3 (Velocity)2 (Velocity)4 Velocity (Velocity)3 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Coefficient of discharge Cd is equal to (where Cc = Coefficient of contraction, Cv = Coefficient of velocity, and Cr = Coefficient of resistance) Cc × Cv Cv × Cr Cc/Cr Cc × Cr Cc × Cv Cv × Cr Cc/Cr Cc × Cr ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The boundary layer thickness at a distance of l m from the leading edge of a flat plate, kept at zero angle of incidence to the flow direction, is O.l cm. The velocity outside the boundary layer is 25 ml sec. The boundary layer thickness at a distance of 4 m is (Assume that boundary layer is entirely laminar) 0.05 cm 0.20 cm 0.40 cm 0.10 cm 0.05 cm 0.20 cm 0.40 cm 0.10 cm ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A weir is said to be narrow-crested weir, if the width of the crest of the weir is __________ half the height of water above the weir crest. More than Less than None of these Equal to More than Less than None of these Equal to ANSWER DOWNLOAD EXAMIANS APP
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