Hydraulics and Fluid Mechanics in ME A vertical wall is subjected to a pressure due to one kind of liquid, on one of its sides. The total pressure on the wall per unit length is (where w = Specific weight of liquid, and H = Height of liquid) wH2/2 wH wH/2 wH2/3 wH2/2 wH wH/2 wH2/3 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The property of a fluid which enables it to resist tensile stress is known as compressibility surface tension cohesion adhesion compressibility surface tension cohesion adhesion ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For laminar flow in circular pipes, the Darcy’s friction factor f is equal to 32/ Re 64/ Re None of these 16/Re 32/ Re 64/ Re None of these 16/Re ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The hydraulic grade line is never above the energy grade line always sloping downward in the direction of flow All of these always above the centre line of pipe never above the energy grade line always sloping downward in the direction of flow All of these always above the centre line of pipe ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The surface tension of mercury at normal temperature is __________ that of water. Same as Lower than Higher than None of these Same as Lower than Higher than None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The depth ‘d’ below the free surface at which the point velocity is equal to the average velocity of flow for a uniform laminar flow with a free surface, will be (where D is the depth of flow) 0.423 D 0.707 D 0.577 D 0.223 D 0.423 D 0.707 D 0.577 D 0.223 D ANSWER DOWNLOAD EXAMIANS APP
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