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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Which of the following meters is not associated with viscosity

Orsat
Engler
Red wood
Say bolt

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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
v₂²/2g
0.375 v₂²/2g
0.5 v₁²/2g

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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

Reaction
Metacentre
Up-thrust
Buoyancy

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Hydraulics and Fluid Mechanics in ME
The discharge through a channel of rectangular section will be maximum, if

Its breadth is twice the depth
Its breadth is thrice the depth
Its depth is thrice the breadth
Its depth is twice the breadth

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Hydraulics and Fluid Mechanics in ME
Water is a __________ fluid.

Newtonian
Non-Newtonian
Ideal
Real

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Hydraulics and Fluid Mechanics in ME
Bulk modulus of a fluid __________ as the pressure increases.

Decreases
None of these
Increases
Remain same

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