The equation of continuity holds good when the flow____________________?

Related Mcqs:

1. According to Bernoulli’s equation for steady ideal fluid flow____________________?

   A. principle of conservation of mass holds
   B. velocity and pressure are inversely proportional
   C. total energy is constant throughout
   D. the energy is constant along a stream-line but may vary across streamlines
   E. none of the above

2. The continuity equation is connected with__________________?

   A. viscous/unviscous fluids
   B. compressibility of fluids
   C. conservation of mass
   D. steady/unsteady flow
   E. open channel/pipe flow

3. Bernoulli equation deals with the law of conservation of__________________?

   A. mass
   B. momentum
   C. energy
   D. work
   E. force

4. All the terms of energy in Bernoulli’s equation have dimension of_______________?

   A. energy
   B. work
   C. mass
   D. length
   E. time

5. The fluid forces considered in the Navier Stokes equation are__________________?

   A. gravity, pressure and viscous
   B. gravity, pressure and turbulent
   C. pressure, viscous and turbulent
   D. gravity, viscous and turbulent
   E. none of the above

6. In a static fluid ___________________?

   A. resistance to shear stress is small
   B. fluid pressure is zero
   C. linear deformation is small
   D. only normal stresses can exist
   E. viscosity is nil

7. The property by virtue of which a liquid opposes relative motion between its different layers is called_________________?

   A. surface tension
   B. co-efficient of viscosity
   C. viscosity
   D. osmosis
   E. cohesion

8. Flow of water in a pipe about 3 metres in diameter can be measured by__________________?

   A. orifice plate
   B. venturi
   C. rotameter
   D. pitot tube
   E. nozzle

9. A piece of wood having weight 5 kg floats in water with 60% of its volume under the liquid. The specific gravity of wood is _________________?

   A. 0.83
   B. 0.6
   C. 0.4
   D. 0.3
   E. none of the above

10. Piezometer is used to measure_____________________?

    A. pressure in pipe, channels etc.
    B. atmospheric pressure
    C. very low pressures
    D. difference of pressure between two points
    E. flow