Related Questions

If the velocity is zero over half of the cross-sectional area and is uniform over the remaining half, then the momentum correction factor is
A 1
B $$\frac{4}{3}$$
C 2
D 4
The momentum correction factor for the velocity distribution of laminar flow is
A 1.3
B 1.66
C 2.5
D None of these
The kinetic energy correction factor for velocity distribution of laminar flow is
A 0.5
B 1.66
C 1
D 2
Momentum correction factor used in fluid flow problems accounts for the
A Change in direction of flow
B Change in total energy
C Change in pressure
D Non uniform direction of velocities at inlet & outlet sections
A jet of water is striking at the centre of a curved vane moving with a uniform velocity in the direction of jet. For the maximum efficiency, the vane velocity is ________ of the jet velocity
A One-half
B One-third
C Two-third
D Three-fourth
What is the change in the angular momentum of a system as per the Law of Conservation of Angular momentum, if the total external torque acting is zero?
A Remains constant
B Becomes zero
C Increases exponentially
D None of the above
The depth ‘d’ below the free surface at which the point velocity is equal to the average velocity of flow for a uniform laminar flow with a free surface, will be (where D is the depth of flow)
A 0.423 D
B 0.577 D
C 0.223 D
D 0.707 D
Select the quotation word or phrases that needs correction. Volunteers have started "distribution" masks "at" airports "because" of fear "of" SARS.
A distribution
B at
C because
D of
For turbulent flow in smooth circular pipe, the velocity distribution is a function of the distance 'd' measured from the wall of the pipe and the friction velocity 'v', and it follows a __________ relationship.
A Logarithmic
B Linear
C Hyperbolic
D Parabolic
The velocity profile exhibited by laminar flow of Newtonion fluids is such that the velocity distribution w.r.t. radius of the circular pipe is a/an __________ with the apex at the centre line of the pipe.
A Hyperbola
B Parabola
C Semi-circle
D Semi-ellipse

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