Hydraulics and Fluid Mechanics in ME The dynamic viscosity of gases __________ with rise in temperature. Remain unaffected Decreases Increases None of these Remain unaffected Decreases Increases None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to Newton's law of viscosity, the shear stress on a layer of a fluid is __________ to the rate of shear strain. Directly proportional Inversely proportional Equal to None of these Directly proportional Inversely proportional Equal to None of these 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 0.375 v₂²/2g 0.5 v₁²/2g v₂²/2g v₁²/2g 0.375 v₂²/2g 0.5 v₁²/2g v₂²/2g v₁²/2g ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If cohesion between molecules of a fluid is greater than adhesion between fluid and glass, then the free level of fluid in a dipped glass tube will be The same as the surface of liquid Lower than the surface of liquid Higher than the surface of liquid Unpredictable The same as the surface of liquid Lower than the surface of liquid Higher than the surface of liquid Unpredictable ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The resultant upward pressure of the fluid on an immersed body due to its tendency to uplift the submerged body is called Up-thrust Metacentre Buoyancy Reaction Up-thrust Metacentre Buoyancy Reaction ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to Manning's formula, the discharge through an open channel is (where M = Manning's constant) A1/2 × M2/3 × m × i A × M × m2/3 × i1/2 A × M × m1/2 × i2/3 A2/3 × M1/3 × m × i A1/2 × M2/3 × m × i A × M × m2/3 × i1/2 A × M × m1/2 × i2/3 A2/3 × M1/3 × m × i ANSWER DOWNLOAD EXAMIANS APP
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