Hydraulics and Fluid Mechanics in ME If the atmospheric pressure on the surface of an oil tank (sp. gr. 0.8) is 0.2 kg/cm”, the pressure at a depth of 50 m below the oil surface will be 2 meters of water column 3 meters of water column 5 meters of water column 6 meters of water Column 2 meters of water column 3 meters of water column 5 meters of water column 6 meters of water Column ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A channel is said to be of most economical cross-section, if All of these It has minimum wetted perimeter It involves lesser excavation for the designed amount of discharge It gives maximum discharge for a given cross-sectional area and bed slope All of these It has minimum wetted perimeter It involves lesser excavation for the designed amount of discharge It gives maximum discharge for a given cross-sectional area and bed slope ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The divergent portion of a Venturimeter is made longer than convergent portion in order to To minimize frictional losses Avoid the tendency of breaking away the stream of liquid Both (A) and (B) None of these To minimize frictional losses Avoid the tendency of breaking away the stream of liquid Both (A) and (B) None of these 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. Two-third Three-fourth One-third Equal to Two-third Three-fourth One-third Equal to ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME An odd shaped body weighing 7.5 kg and occupying 0.01 m3 volume will be completely submerged in a fluid having specific gravity of 1.2 1 0.75 0.8 1.2 1 0.75 0.8 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The loss of head due to viscosity for laminar flow in pipes is (where d = Diameter of pipe, l = Length of pipe, v = Velocity of the liquid in the pipe, μ = Viscosity of the liquid, and w = Specific weight of the flowing liquid) 8μvl/wd² 32μvl/wd² 16μvl/wd² 4μvl/wd² 8μvl/wd² 32μvl/wd² 16μvl/wd² 4μvl/wd² ANSWER DOWNLOAD EXAMIANS APP
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