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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Hydrometer is used to determine

relative humidity
specific gravity of gases
specific gravity of liquids
specific gravity of solids

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Hydraulics and Fluid Mechanics in ME
The capillary rise at 20°C in a clean glass tube of 1 mm bore containing water is ap-proximately

10 mm
5 mm
30 mm
20 mm

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Hydraulics and Fluid Mechanics in ME
A weir is said to be narrow-crested weir, if the width of the crest of the weir is __________ half the height of water above the weir crest.

Equal to
More than
None of these
Less than

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Hydraulics and Fluid Mechanics in ME
The time oscillation of a floating body with increase in meatcentric height will be

Same
Lower/higher depending on weight of body
Lower
Higher

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Hydraulics and Fluid Mechanics in ME
Principle of similitude forms the basis of

designing models so that the result can be converted to prototypes
comparing two identical equipments
comparing similarity between design and actual equipment
hydraulic designs

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Hydraulics and Fluid Mechanics in ME
Metacentric height is the distance between the metacentre and

center of gravity
water surface
center of pressure
center of buoyancy

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MORE MCQ ON Hydraulics and Fluid Mechanics in ME

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