Hydraulics and Fluid Mechanics in ME For very great pressures, viscosity of moss gases and liquids remains same increases decreases shows erratic behaviour remains same increases decreases shows erratic behaviour ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The efficiency of a Pelton wheel working under constant head ________ with the increase in power. Remain same Decreases None of these Increases Remain same Decreases None of these Increases 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 (2AH₁)/(Cd × a√2g) (2A√H₁)/(Cd × a√2g) (2AH₁3/2)/(Cd × a√2g) (2AH₁²)/(Cd × a√2g) (2AH₁)/(Cd × a√2g) (2A√H₁)/(Cd × a√2g) (2AH₁3/2)/(Cd × a√2g) (2AH₁²)/(Cd × a√2g) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A body floating in a liquid is said to be in neutral equilibrium, if its metacentre Lies below its centre of gravity Lies between the centre of buoyancy and centre of gravity Coincides with its centre of gravity Lies above its centre of gravity Lies below its centre of gravity Lies between the centre of buoyancy and centre of gravity Coincides with its centre of gravity Lies above its centre of gravity 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) 4σ cosα/wd wd/4σ cosα σ cosα/4wd 4wd/σ cosα 4σ cosα/wd wd/4σ cosα σ cosα/4wd 4wd/σ cosα ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Units of surface tension are distance energy/unit area it has no units both of the above distance energy/unit area it has no units both of the above ANSWER DOWNLOAD EXAMIANS APP