Hydraulics and Fluid Mechanics in ME The center of gravity of the volume of the liquid displaced by an immersed body is called center of pressure metacentre center of gravity center of buoyancy center of pressure metacentre center of gravity center of buoyancy ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The dynamic viscosity of the liquid __________ with rise in temperature. Decreases None of these Increases Remain unaffected Decreases None of these Increases Remain unaffected ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The atmospheric pressure at sea level is 760 mm of mercury All of these 103 kN/m2 10.3 m of water 760 mm of mercury All of these 103 kN/m2 10.3 m of water ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If the net positive suction head (NPSH) requirement for the pump is not satisfied, then Cavitation will be formed No flow will take place Excessive power will be consumed Efficiency will be low Cavitation will be formed No flow will take place Excessive power will be consumed Efficiency will be low ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The pressure of air __________ with the increase of height from the surface of the earth. Increases None of these Does not change Decreases Increases None of these Does not change Decreases 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 empty the tank completely will be (2AH₁²)/(Cd × a√2g) (2AH₁)/(Cd × a√2g) (2AH₁3/2)/(Cd × a√2g) (2A√H₁)/(Cd × a√2g) (2AH₁²)/(Cd × a√2g) (2AH₁)/(Cd × a√2g) (2AH₁3/2)/(Cd × a√2g) (2A√H₁)/(Cd × a√2g) ANSWER DOWNLOAD EXAMIANS APP
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