Hydraulics and Fluid Mechanics in ME A Pelton wheel develops 1750 kW under a head of 100 meters while running at 200 r.p.m. and discharging 2500 liters of water per second. The unit discharge of wheel is 1.5 m3/s 0.25 m3/s 0.5 m3/s 2.5 m3/s 1.5 m3/s 0.25 m3/s 0.5 m3/s 2.5 m3/s ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Two pipes of same length and diameters d and 2d respectively are connected in series. The diameter of an equivalent pipe of same length is less than d between 1.5 d and 2d greater than 2d between d and 1.5 d less than d between 1.5 d and 2d greater than 2d between d and 1.5 d ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If mercury in a barometer is replaced by water, the height of 3.75 cm of mercury will be following cm of water 51 cm 52.2 cm 52 cm 50 cm 51 cm 52.2 cm 52 cm 50 cm ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The surface tension of mercury at normal temperature is __________ that of water. Higher than None of these Lower than Same as Higher than None of these Lower than Same as ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If a pump is handling water and is discharging a certain flow Q at a constant total dynamic head requiring a definite B.H.P., the same pump when handling a liquid of specific gravity 0.75 and viscosity nearly same as of water would discharge Same quantity of liquid 1.5 Q 0.75 Q Q/0.75 Same quantity of liquid 1.5 Q 0.75 Q Q/0.75 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The depth ādā below the free surface at which the point velocity is equal to the average velocity of flow for a uniform laminar flow with a free surface, will be (where D is the depth of flow) 0.577 D 0.223 D 0.423 D 0.707 D 0.577 D 0.223 D 0.423 D 0.707 D ANSWER DOWNLOAD EXAMIANS APP
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