| Gradually varied flow is |
A) Steady uniform
B) Non-steady non-uniform
C) Non-steady uniform
D) Steady non-uniform
| An average value of coefficient of velocity is |
A) 0.62
B) 0.76
C) 0.84
D) 0.97
| The flow in a pipe or channel is said to be uniform when |
A) The liquid particles at all sections have the same velocities
B) The liquid particles at different sections have different velocities
C) The quantity of liquid flowing per second is constant
D) Each liquid particle has a definite path
| The imaginary line drawn in the fluid in such a way that the tangent to any point gives the direction of motion at that point, is known as |
A) Path line
B) Stream line
C) Steak line
D) Potential line
| The flow in which each liquid particle has a definite path and their paths do not cross each other is called |
A) One dimensional flow
B) Streamline flow
C) Steady flow
D) Turbulent flow
| Property of a fluid by which molecules of different kinds of fluids are attracted to each other is called |
A) Adhesion
B) Cohesion
C) Viscosity
D) Compressibility
| All the terms of energy in Bernoulli’s equation have dimension of |
A) Energy
B) Work
C) Mass
D) Length
| A flow is called hyper-sonic, if the Mach number is |
A) Less than unity
B) Unity
C) Between 1 and 6
D) None of these
| The speed of an imaginary turbine, identical with the given turbine, which will develop a unit power under a unit head, is known as |
A) Normal speed
B) Design speed
C) Specific speed
D) None of these
| The coefficient of discharge for an external mouthpiece depends upon |
A) Velocity of liquid
B) Pressure of liquid
C) Length of mouthpiece
D) Area of mouthpiece
