Fluid Mechanics What is the force required (in Newtons) to hold a spherical balloon stationary in water at a depth of H from the air-water iterface? The balloon is of radius 0.1 m and is filled with air. 4πg/3 0.04πgH/3 0.01πgH/4 0.01πgH/8 4πg/3 0.04πgH/3 0.01πgH/4 0.01πgH/8 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The energy loss in flow through ven-turimeter is less than that through flow nozzle, because in case of a flow nozzle, the Length is shorter Throat diameter is more Sudden expansion of flow in the downstream occurs Distance between the throat and the inlet is more Length is shorter Throat diameter is more Sudden expansion of flow in the downstream occurs Distance between the throat and the inlet is more ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics While starting an axial flow pump, its delivery valve should be kept None of these Either open or closed Closed Open None of these Either open or closed Closed Open ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Path followed by water jet issuing from the bottom of a water tank will be a Parabola (vertex being at the opening) Horizontal straight line Hyperbola Zig-zag path (which is geometrically undefined) Parabola (vertex being at the opening) Horizontal straight line Hyperbola Zig-zag path (which is geometrically undefined) ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics A hydraulic ram acts as a/an __________ pump. Reciprocating Parallel cylinder Centrifugal Impulse Reciprocating Parallel cylinder Centrifugal Impulse ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Capillary rise of mercury in a small diameter tube is proportional to (where, d = diameter of the tube, σ = surface tension of mercury) Σ 1/d L/σ D Σ 1/d L/σ D ANSWER DOWNLOAD EXAMIANS APP
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