Hydraulics and Fluid Mechanics in ME A model of a reservior is drained in 4 mts by opening the sluice gate. The model scale is 1: 225. How long should it take to empty the prototype ? 4 x (225)3/2 minutes 4 minutes 4 x V225 minutes 4 (225)1/3 minutes 4 x (225)3/2 minutes 4 minutes 4 x V225 minutes 4 (225)1/3 minutes ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If the surface of liquid is convex, men There is no cohesion pressure Cohesion pressure is decreased Cohesion pressure is increased Cohesion pressure is negligible There is no cohesion pressure Cohesion pressure is decreased Cohesion pressure is increased Cohesion pressure is negligible ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Slip of a reciprocating pump is negative, when Suction pipe is short and delivery pipe is long and the pump is running at low speeds Delivery pipe is long and pump is running at high speeds Suction pipe is short and pump is running at low speeds Suction pipe is long and delivery pipe is short and the pump is running at high speeds Suction pipe is short and delivery pipe is long and the pump is running at low speeds Delivery pipe is long and pump is running at high speeds Suction pipe is short and pump is running at low speeds Suction pipe is long and delivery pipe is short and the pump is running at high speeds ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME An ideal flow of any fluid must fulfill the following Newton’s law of viscosity Pascal’ law Continuity equation Newton’s law of motion Newton’s law of viscosity Pascal’ law Continuity equation Newton’s law of motion 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 If a body floating in a liquid occupies a new position and remains at rest in this new position, when given a small angular displacement, the body is said to be in __________ equilibrium. None of these Unstable Neutral Stable None of these Unstable Neutral Stable ANSWER DOWNLOAD EXAMIANS APP
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