Hydraulics and Fluid Mechanics in ME The rise of liquid along the walls of a revolving cylinder about the initial level is _________ the depression of the liquid at the axis of rotation. None of these Same as Less than More than None of these Same as Less than More than ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to fan laws, for the fans having constant wheel diameters, the power demand varies Directly as fan speed Square root of fan speed Cube of fan speed Square of fan speed Directly as fan speed Square root of fan speed Cube of fan speed Square of fan speed ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The length AB of a pipe ABC in which the liquid is flowing has diameter (d1) and is suddenly contracted to diameter (d2) at B which is constant for the length BC. The loss of head due to sudden contraction, assuming coefficient of contraction as 0.62, is v₁²/2g 0.375 v₂²/2g 0.5 v₁²/2g v₂²/2g v₁²/2g 0.375 v₂²/2g 0.5 v₁²/2g v₂²/2g ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which of the following pump is successfully used for lifting water from deep wells? Jet pump Centrifugal pump Reciprocating pump Air lift pump Jet pump Centrifugal pump Reciprocating pump Air lift pump 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 4wd/σ cosα wd/4σ cosα 4σ cosα/wd σ cosα/4wd 4wd/σ cosα wd/4σ cosα 4σ cosα/wd ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Centre of pressure compared to e.g. is above it at same point below it above or below depending on area of body above it at same point below it above or below depending on area of body ANSWER DOWNLOAD EXAMIANS APP
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