An ideal flow of any fluid must fulfil the following:
A.Newton’s law of viscosity
B.Newton’s law of motion
C.Boundary layer theory
D.Pascals law
E.Continuity equation
Category: Fluid Mechanics and Hydraulic Machines Mcqs
Uniform flow occurs when
A.Conditions do not change with time at any point
B.Rate of change of velocity of fluid is zero
C.At every point the velocity vector is identical in magnitude and direction for any given instant
D.The change in transverse direction are zero
E.None of the above
The pressure in millimetres of mercury gauge, equivalent to 68 mm H2O plus 54.4 mm manometer fluid, sp. Gr. 2.5 is
A.10
B.12.5
C.15.5
D.17.5
E.20
In case of Constant Angle Arch Dam, the most favourable central angle is
A.170?
B.165?
C.133?
D.90?
E.73?
The state in which Hirakund dam is established is
A.West Bengal
B.Bihar
C.Orissa
D.Madhya Pardesh
E.Uttar Pradesh
A piezometer is not used for pressure measurement in pipes when
A.The pressure is very low
B.The pressure drop in the pipe is low
C.Velocity of fluid is high
D.Velocity of fluid is low
E.The fluid in the pipe is a gas
As the temperature increases, the viscosity of a gas
A.increases, increases
B.decreases, decreases
C.increases, decreases
D.decreases, increases
Mixed flow turbine are
A.Radial inward flow type
B.Radial outward flow type
C.Partly rdial partly axial
D.Parallel flow type
E.None of the above
Which rock is expected to have highest strength grade?
A.Sand stone rock
B.Limestone rock
C.Marble rocks
D.Solid quartzite rock
E.Granite rock
