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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
A flow whose streamline is represented by a straight line, is called __________ dimensional flow.

One
Three
Four
Two

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Hydraulics and Fluid Mechanics in ME
An opening in the side of a tank or vessel such that the liquid surface with the tank is below the top edge of the opening, is called

Notch
Weir
Orifice
None of these

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Hydraulics and Fluid Mechanics in ME
A fluid having no viscosity is known as

Real fluid
Non-Newtonian fluid
Newtonian fluid
Ideal fluid

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Hydraulics and Fluid Mechanics in ME
Whenever a plate is held immersed at some angle with the direction of flow of the liquid, it is subjected to some pressure. The component of this pressure, in the direction of flow of the liquid, is known as

Stagnation pressure
Drag
Bulk modulus
Lift

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Hydraulics and Fluid Mechanics in ME
Dynamic viscosity of most of the gases with rise in temperature

increases
decreases
remains unaffected
unpredictable

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Hydraulics and Fluid Mechanics in ME
According to fan laws, for fans having constant wheel diameter, the pressure varies

Square of fan speed
Cube of fan speed
Square root of fan speed
Directly as fan speed

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