Fluid Mechanics & Hydraulics (3140611) MCQs

MCQs of Fluid Kinematics & Dynamics

Showing 41 to 48 out of 48 Questions
41.
When a cylindrical vessel, containing some liquid, is rotated about its vertical axis, the liquid surface is depressed down at the axis of its rotation and rises up near the walls of the vessel on all sides. This type of flow is known as
(a) steady flow
(b) turbulent flow
(c) vortex flow
(d) uniform flow
Answer:

Option (c)

42.
When a cylindrical vessel containing liquid is revolved, the surface of the liquid takes the shape of
(a) a triangle
(b) a paraboloid
(c) an ellipse
(d) none of these
Answer:

Option (b)

43.
The study of force which produces fluid motion is called as
(a) fluid kinematics
(b) fluid dynamics
(c) fluid statics
(d) none of the above
Answer:

Option (b)

44.
Euler's equation of motion is a statement of
(a) energy balance
(b) conservation of momentum for an inviscid liquid
(c) conservation of momentum for an incompressible flow
(d) conservation of momentum for real fluid
Answer:

Option (b)

45.
Euler's equation of motion for liquids is based on the assumption that the
(a) flow is streamline
(b) flow takes place continuously
(c) flow is homogeneous and incompressible
(d) flow is irrotational
Answer:

Option (c)

46.
Bernoulli's theorem deals with the conservation of
(a) mass
(b) energy
(c) momentum
(d) force
Answer:

Option (b)

47.
According to Bernoulli's equation
(a) Z+pw+v22g=Constant
(b) Z+pw-v22g=Constant
(c) Z-pw+v22g=Constant
(d) Z-pw-v22g=Constant
Answer:

Option (a)

48.
All the terms of energy in Bernoulli's equation have a dimension of
(a) energy
(b) work
(c) mass
(d) length
Answer:

Option (d)

Showing 41 to 48 out of 48 Questions