| A control Volume implies |
A) An Isolated system
B) A closed system
C) A specified mass in fluid flow
D) A fixed region in space
| If the velocity, pressure and density do not change at a point with respect to time, the flow is called |
A) Uniform flow
B) Eulerian flow
C) Lagrangian flow
D) Steady flow
| Kinematics of fluid describes |
A) the fluid motion considering the forces causing the motion
B) the fluid motion without consideration of the nature of forces causing the motion
C) the fluid without motion
D) the forces on floating body
| A cylinder vessel 10 cm diameter and 25 cm deep is fille with water up to top, and rotated at speed of 600 rpm. Find the maximum height of paraboloid. |
A) More than 55 cm
B) Between 45 and 55 cm
C) Between 35 and 44 cm
D) Less than 35 cm
| The equation of continuity in fluid mechanics |
A) is a condition of equilibrium in the flow pattern
B) is an embodiment of the law of thermodynamics
C) is an embodiment of the law of conservation mass
D) relates work and energy
| When the velocity distribution is uniform over the cross-section, the correction factor for momentum is |
A) 0
B) 1
C) 4/3
D) 2
| A free vortex |
A) has the velocity decreasing with the radius
B) has the velocity increasing with the radius
C) has constant velocity
D) has the velocity decreasing inversely with the radius
| What will be the circulation around rectangle defined by x = 0, y = 0, x = 1, y = 1 for a velocity field u = x and v = x+y? |
A) Infinity
B) 0
C) 1
D) 4
| Irrotational flow is such that |
A) Circulation is zero
B) The particles go in a circular motion
C) Stream function exists
D) Vorticity may not be zero
| The Euler’s equation for steady flow of an ideal fluid along a stream line is based on Newton’s |
A) First law of motion
B) Second law of motion
C) Third law of momentum
D) Law of friction
