Hydraulics and Fluid Mechanics in ME When time of closure tc = L/v0 (where L is length of pipe and v0 is speed of pressure wave), the portion of pipe length subjected to maximum head is L L/3 L/4 L/2 L L/3 L/4 L/2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The sheet of water flowing over a notch or a weir is known as Sill or crest None of these Orifice Nappe or vein Sill or crest None of these Orifice Nappe or vein ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The atmospheric pressure at sea level is 10.3 m of water All of these 760 mm of mercury 103 kN/m2 10.3 m of water All of these 760 mm of mercury 103 kN/m2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which of the following instruments is used to measure flow on the application of Bernoulli’s theorem Orifice plate Venturimeter All of these pitot tube Orifice plate Venturimeter All of these pitot tube ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Dynamic viscosity of most of the liquids with rise in temperature Increases Decreases Remain unaffected Unpredictable Increases Decreases Remain unaffected Unpredictable ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In an isothermal atmosphere, the pressure decreases linearly with elevation increases exponentially with elevation varies in the same way as the density remains constant decreases linearly with elevation increases exponentially with elevation varies in the same way as the density remains constant ANSWER DOWNLOAD EXAMIANS APP