Hydraulics and Fluid Mechanics in ME The water pressure per metre length on a vertical masonry wall of dam is (where w = Specific weight of the liquid, and H = Height of the liquid) wH2/2 wH wH2/4 wH/2 wH2/2 wH wH2/4 wH/2 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 Increases Decreases Remain same None of these Increases Decreases Remain same ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME An ideal flow of any fluid must satisfy continuity equation Newton’s law of viscosity boundary layer theory Pascal law continuity equation Newton’s law of viscosity boundary layer theory Pascal law ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a broad-crested weir, the discharge is maximum if the head of water on the downstream side of weir is __________ the head of water on the upstream side of weir. One-third Two-third Three-fourth Equal to One-third Two-third Three-fourth Equal to ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Viscosity of water in comparison to mercury is Lower Higher/lower depending on temperature Higher Same Lower Higher/lower depending on temperature Higher Same ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The hammer blow in pipes occurs when The flow of fluid through the pipe is gradually brought to rest by closing of the valve There is excessive leakage in the pipe The flow of fluid through the pipe is suddenly brought to rest by closing of the valve The pipe bursts under high pressure of fluid The flow of fluid through the pipe is gradually brought to rest by closing of the valve There is excessive leakage in the pipe The flow of fluid through the pipe is suddenly brought to rest by closing of the valve The pipe bursts under high pressure of fluid ANSWER DOWNLOAD EXAMIANS APP