CSJMU Kanpur MSc Mathematics Final Paper 2021 on Fluid Dynamics
| S.No. | Questions with options |
| 1 | Blood circulation through arteries is
(a) A stream flow (b) A laminar flow (c) A turbulent flow (d) None of the above |
| 2 | Circulation along any closed circuit moving in the liquid for all time is
(a) 0 (b) Variable (c) Constant (d) 1 |
| 3 | The imaginary line drawn in the fluid in such a way that the tangent to any point gives the direction of motion at the point is called as
(a) Path line (b) Stream line (c) Streak line (d) Filament line |
| 4 | An actual path followed by a fluid particle as it moves during a period of time, is called
(a) Path line (b) Stream line (c) Streak line (d) Filament line |
| 5 | Source and sink are
(a) Equal (b) Unequal (c) Zero (d) One |
| 6 | The absolute magnitude of source and sink is
(a) One (b) Zero (c) Finite (d) Infinite |
| 7 | When both the source and sink are equal strength, it is called
(a) Sink (b) Source (c) Doublet (d) All of the above |
| 8 | Fluid motion may be studied by two different methods
(a) Lagrangian and Newtonian methods (b) Lagrangian and Eulerian methods (c) Newtonian and Eulerian methods (d) None of the above |
| 9 | The irrotational motion of a liquid, occupying a simple connected region has les K.E Then any other motion consistent with the same normal velocity of the boundary is the statement of the theorem
(a) Green’s theorem (b) Kelvin’s minimum energy theorem (c) Theorem of Blasius (d) Stoke’s theorem |
| 10 | A circular cylinder is moving in a liquid at rest
(a) Zero (b) Infinity (c) Finite (d) None of the above |
| 11 | Newtonian fluid is one in which the viscosity
(a) Remains constant with time and power input (b) Increase with level of power input (c) Decreases with level of power input (d) None of the above |
| 12 | The viscous nature of a non-Newtonian fluid
(a) Remains constant with rate of deformation (b) Increases exponentially with rate of deformation (c) Decreases with rate of deformation (d) None of the above |
| 13 | The Navier-Stokers equation represents
(a) Newtonian fluid (b) Viscous fluid (c) Non-Newtonian fluid (d) Real fluid |
| 14 | The boundary layer theory was introduced by
(a) Kelvin (b) Prandil (c) Stokes (d) None of the above |
| 15 | A liquid with in a cylinder, of which circle is a cross section, is said to form a
(a) Linear Vortex (b) Rectilinear Vortex (c) Parallel Vortex (d) None of the above |
| 16 | The combination of a source and a vortex is known as
(a) Parallel vortex (b) Circular vortex (c) Spiral vortex (d) None of the above |
| 17 | When the circulation round the vortex is anticlockwise the strength K is taken to be
(a) Negative (b) Positive (c) Both (a) & (b) (d) None of the above |
| 18 | In motion of any vortex the path of a vortex is a
(a) Stream line (b) Path line (c) Streak line (d) Vortex line |
| 19 | Rank line combined vortex consist of a circular vortex with axis vertical in a mass of a liquid which is moving
(a) Perpendicular (b) Rotationally (c) Irrotaionally (d) Parallel |
| 20 | Drag coefficient is a function of
(a) Laminar flow (b) Mach’s number (c) Froude’s number (d) Reynolds’ number |
| Data Collected By – Rashmi | |
| Published On – 3rd June 2022 | |
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