Hydraulics and Fluid Mechanics in ME Hydraulic accumulator is used for Accumulating oil Supplying energy when main supply fails Supplying large quantities of oil for very short duration Generally high pressures to operate hydraulic machines Accumulating oil Supplying energy when main supply fails Supplying large quantities of oil for very short duration Generally high pressures to operate hydraulic machines ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A tank of uniform cross-sectional area (A) containing liquid upto height (H1) has an orifice of cross-sectional area (a) at its bottom. The time required to bring the liquid level from H1 to H2 will be 2A × (√H₁ - √H₂)/Cd × a × √(2g) 2A × (√H3/2 - √H3/2)/Cd × a × √(2g) 2A × √H₁/Cd × a × √(2g) 2A × √H₂/Cd × a × √(2g) 2A × (√H₁ - √H₂)/Cd × a × √(2g) 2A × (√H3/2 - √H3/2)/Cd × a × √(2g) 2A × √H₁/Cd × a × √(2g) 2A × √H₂/Cd × a × √(2g) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A glass tube of small diameter (d) is dipped in fluid. The height of rise or fall in the tube given by (where w = Specific weight of liquid, α = Angle of contact of the liquid surface, and σ = Surface tension) σ cosα/4wd wd/4σ cosα 4σ cosα/wd 4wd/σ cosα σ cosα/4wd wd/4σ cosα 4σ cosα/wd 4wd/σ cosα ANSWER DOWNLOAD EXAMIANS APP
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/2 wH2/4 wH wH2/2 wH/2 wH2/4 wH ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME An orifice is said to be large, if The velocity of flow is large The available head of liquid is less than 5 times the height of orifice The size of orifice is large The available head of liquid is more than 5 times the height of orifice The velocity of flow is large The available head of liquid is less than 5 times the height of orifice The size of orifice is large The available head of liquid is more than 5 times the height of orifice ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The pressure at a point 4 m below the free surface of water is 19.24 kPa 49.24 kPa 39.24 kPa 29.24 kPa 19.24 kPa 49.24 kPa 39.24 kPa 29.24 kPa ANSWER DOWNLOAD EXAMIANS APP
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