Hydraulics and Fluid Mechanics in ME A hemispherical tank of radius (R) has an orifice of cross-sectional area (a) at its bottom and is full of liquid. The time required to empty the tank completely is 14π R7/2/15Cd × a √(2g) 14π R1/2/15Cd × a √(2g) 14π R5/2/15Cd × a √(2g) 14π R3/2/15Cd × a √(2g) 14π R7/2/15Cd × a √(2g) 14π R1/2/15Cd × a √(2g) 14π R5/2/15Cd × a √(2g) 14π R3/2/15Cd × a √(2g) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The speed of a pressure wave through a pipe depends upon the bulk modulus for the fluid the original head the viscosity of fluid the length of pipe the bulk modulus for the fluid the original head the viscosity of fluid the length of pipe ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Surge wave in a rectangular channel is an example ofi) steady flowii) unsteady flowiii) uniform flowiv) non-uniform flowThe correct answer is (i) and (iii) (ii) and (iv) (ii) and (iii) (i) and (iv) (i) and (iii) (ii) and (iv) (ii) and (iii) (i) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The volume of a fluid __________ as the pressure increases. Decreases Remains same None of these Increases Decreases Remains same None of these Increases ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The flow in a pipe or channel is said to be uniform when The quantity of liquid flowing per second is constant The liquid particles at all sections have the same velocities The liquid particles at different sections have different velocities Each liquid particle has a definite path The quantity of liquid flowing per second is constant The liquid particles at all sections have the same velocities The liquid particles at different sections have different velocities Each liquid particle has a definite path ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For centrifugal pump impeller, the maximum value of the vane exit angle is 25° to 30° 15° to 20° 20° to 25° 10° to 15° 25° to 30° 15° to 20° 20° to 25° 10° to 15° ANSWER DOWNLOAD EXAMIANS APP
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