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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The specific weight of water in S.I. units is taken as

Any one of these
9.81 kN/m3
9.81 × 103 N/m3
9.81 × 10-6 N/mm3

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Hydraulics and Fluid Mechanics in ME
The imaginary line drawn in the fluid in such a way that the tangent to any point gives the direction of motion at that point, is known as

Steak line
Potential line
Stream line
Path line

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

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

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Hydraulics and Fluid Mechanics in ME
When a vertical wall is subjected to pressures due to liquid on both sides, the resultant pressure is the __________ of the two pressures.

Sum
Difference
Geometric mean
Arithmetic mean

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Hydraulics and Fluid Mechanics in ME
The discharge of a double acting reciprocating pump is (where L = Length of stroke, A = Cross-sectional area of piston, and N = Speed of crank in r.p.m.)

2 L.A.N
L.A.N
(L.A.N)/60
(2 L.A.N)/60

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Hydraulics and Fluid Mechanics in ME
Froude's number is the ratio of inertia force to

Surface tension force
Gravity force
Pressure force
Elastic force

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MORE MCQ ON Hydraulics and Fluid Mechanics in ME

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