Hydraulics and Fluid Mechanics in ME A channel is said to be of most economical cross-section, if It has minimum wetted perimeter It gives maximum discharge for a given cross-sectional area and bed slope All of these It involves lesser excavation for the designed amount of discharge It has minimum wetted perimeter It gives maximum discharge for a given cross-sectional area and bed slope All of these It involves lesser excavation for the designed amount of discharge ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When a vertical wall is subjected to pressures due to liquid on both sides, the resultant pressure is the __________ of the two pressures. Sum Geometric mean Difference Arithmetic mean Sum Geometric mean Difference Arithmetic mean ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A piece of wood having weight 5 kg floats in water with 60% of its volume under the liquid. The specific gravity of wood is 0.83 0.3 0.6 0.4 0.83 0.3 0.6 0.4 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Choose the wrong statement. Alcohol is used in manometer, because It provides longer length for a given pressure difference It provides suitable meniscus for the inclined tube Its vapour pressure is low Its density is less It provides longer length for a given pressure difference It provides suitable meniscus for the inclined tube Its vapour pressure is low Its density is less ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A flow whose streamline is represented by a straight line, is called __________ dimensional flow. Three Two One Four Three Two One Four ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The specific weight of water in S.I. units is taken as 9.81 kN/m3 9.81 × 103 N/m3 9.81 × 10-6 N/mm3 Any one of these 9.81 kN/m3 9.81 × 103 N/m3 9.81 × 10-6 N/mm3 Any one of these ANSWER DOWNLOAD EXAMIANS APP
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