Hydraulics and Fluid Mechanics in ME The depth ‘d’ 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) 0.423 D 0.577 D 0.707 D 0.223 D 0.423 D 0.577 D 0.707 D 0.223 D ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A vertical wall is subjected to a pressure due to one kind of liquid, on one of its sides. The total pressure on the wall per unit length is (where w = Specific weight of liquid, and H = Height of liquid) wH2/3 wH2/2 wH/2 wH wH2/3 wH2/2 wH/2 wH ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When a body is placed over a liquid, it will sink down if Gravitational force is more than the up-thrust of the liquid Gravitational force is less than the up-thrust of the liquid Gravitational force is equal to the up-thrust of the liquid None of these Gravitational force is more than the up-thrust of the liquid Gravitational force is less than the up-thrust of the liquid Gravitational force is equal to the up-thrust of the liquid None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In case of flow through parallel pipes, The total head loss is the sum of head losses in the various pipes The total discharge is equal to the sum of discharges in the various pipes The head loss for all the pipes is same Both (A) and (B) The total head loss is the sum of head losses in the various pipes The total discharge is equal to the sum of discharges in the various pipes The head loss for all the pipes is same Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The buoyancy depends upon the Compressibility of the liquid Pressure with which the liquid is displaced Weight of the liquid displaced Viscosity of the liquid Compressibility of the liquid Pressure with which the liquid is displaced Weight of the liquid displaced Viscosity of the liquid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The length of a pipe is 1 km and its diameter is 20 cm. If the diameter of an equivalent pipe is 40 cm, then its length is 8 km 32 km 4 km 20 km 8 km 32 km 4 km 20 km ANSWER DOWNLOAD EXAMIANS APP
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