Home

A nozzle is said to be a convergent nozzle

A. When the cross-section of the nozzle increases continuously from entrance to exit

B. When the cross-section of the nozzle decreases continuously from entrance to exit

C. When the cross-section of the nozzle first decreases from entrance to throat and then increases from its throat to exit

D. None of the above

Related Questions

  1. The ultimate analysis of fuel lists
  2. The equivalent evaporation of a boiler is a measure to compare
  3. The expansion of steam in a nozzle follows
  4. The draught (in mm of water), for maximum discharge of flue gases through the chimney, is given by (where…
  5. The ratio of the workdone on the blades to the energy supplied to the blades, is called
  6. Cut-off ratio is the ratio of
  7. In fire tube boilers
  8. The coal requirement per kW hour generation in the thermal power plant is of the order of
  9. The pressure at which latent heat of vaporisation of water is zero, is
  10. The function of an eccentric rod is
  11. In turbines, the fluid undergoes a continuous steady flow process and the speed of flow is
  12. If partial pressure of air and steam be pa and ps respectively in a condenser, then according to Dalton's…
  13. Natural water circulation, by convection in water tube boilers, with increase in pressure of boiler
  14. At critical point, i.e. p = 225.65 kg/cm², the latent enthalpy of vaporisation is
  15. The rate of discharge through the nozzle __________ when the exit pressure is gradually reduced.
  16. Willians line follows the law (where b = A constant representing the shape of the Willians line, a =…
  17. The dry saturated steam at very low pressure, (510 kg/cm²) when throttled to atmosphere will become
  18. When the back pressure of a nozzle is below the designed value of pressure at exit of nozzle, the nozzle…
  19. The diameters of fire tubes and superheater tubes in locomotive boiler are
  20. The power of a boiler may be defined as
  21. All steam engines work on
  22. With increase in load, radiant superheater has
  23. The nozzle efficiency is the ratio of
  24. The size of a boiler drum in pulverised fuel fired boiler, as its size and capacity, (steam pressure…
  25. The pressure of steam in the engine cylinder at the beginning of the stroke is ________ the boiler pressure.
  26. In an ideal impulse turbine, the
  27. In which of the following boilers, the draught in furnace is increased by utilising exhaust steam from…
  28. The length of Lancashire boiler varies from
  29. Which of the following statement is correct?
  30. The effect of bleeding is that

Please do not use chat terms. Example: avoid using "grt" instead of "great".