| In a venturimeter installed in a horizontal pipe the pressure is maximum at |
A) Entry point of convergent section
B) Midpoint of convergent section
C) Midpoint of divergent section
D) Throat section
| An Equipotential Line is an imaginary line in a field of flow such that (i) the total head is the same for all points on the line. (ii) the direction of flow is parallel to the line at all points. |
A) Only (i)
B) Only (ii)
C) Both (i) and (ii)
D) Neither (i) nor (ii)
| In steady laminar flow of a liquid through a circular pipe of internal diameter D carrying a constant discharge, the hydraulic gradient will be |
A) proportional to D2
B) proportional to D3
C) inversely proportional to D2
D) inversely proportional to D3
| Which of the following pair is incorrectly matched |
A) Piezometric Head : Sum of datum head and pressure head
B) Dynamic Head : Sum of datum head and velocity head
C) Stagnation Head : Sum of pressure head and velocity head
D) Total Head : Sum of piezometric head and dynamic head
| Which of the following statement(s) is/are correct for Venturi meter? i. It is mainly used to measure the pressure flow ii. A gradient of pressure is created by decreasing the cross-sectional area |
A) Only (i)
B) Only (ii)
C) Both (i) and (ii)
D) Neither (i) nor (ii)
| Navier-Stokes equation is useful in the analysis of |
A) viscous flows
B) non-viscous flows
C) rotational flows
D) turbulent flows
| Continuity equation |
A) expresses the relation between energy and work
B) relates the momentum per unit volume for two points on a streamline
C) relates mass rate of flow along a stream tube
D) relates constant discharge through a long, straight tapering pipe
| Lawn sprinkler can be best explained by which of the following equation of property? |
A) Energy equation
B) Continuity equation
C) Moment of momentum principle
D) Impulse-momentum principle
| Bernoulli’s equation can be derived from the principle of |
A) Conservation of Mass
B) Conservation of Energy
C) Conservation of Momentum
D) Conservation of Pressure
| In a Bernoulli’s theorem, which states that in a steady, ideal flow of an incompressible fluid, the total energy at point of the fluid is constant, the units of the various energies are in |
A) Joules
B) Kilo-watt hour
C) Meters
D) Meter / Second2
