Home

Water hammer is caused in steam carrying pipelines, because of

A. Partial condensation of steam

B. Vibration of the pipeline

C. High degree of superheat of steam

D. Its exposure to torrential rain

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

You can do it
  1. __________ remains constant during the adiabatic cooling of moist air.
  2. Addition of small amount of __________ to grey cast iron is done to produce nodular grey cast iron.
  3. Viscoelastic behaviour is observed in __________ materials.
  4. Suitability of steel for its use in cable is judged by its strength in
  5. __________ wire is never used for making the heating element.
  6. Addition of __________ to steel does not help in improving its machinability.
  7. The minimum carbon content in steel should be __________ percent for it to respond to a hardening treatment.
  8. The amount of different substances produced, when the same quantity of electricity is passed through…
  9. If the head is doubled in & centrifugal pump, the power required will increase in the ratio of
  10. A pycnometer is used for the measurement of
  11. Highest cutting speed is achieved by the __________ tool material.
  12. Dephosphorization of molten pig iron is favoured by
  13. Nickel is a __________ material.
  14. In the acid Bessemer process, the hot metal should have the following composition.
  15. Tesla metre per ampere (T. m/A) is the unit for the measurement of
  16. A psychrometer does not measure the __________ temperature of moist air.
  17. Desalination of water
  18. __________ is not used as a material of construction in thermocouples.
  19. In case of brasses, with decreasing zinc percentage and increasing copper percentage, its __________…
  20. Which of the following mainly decides the current to be employed is arc welding?
  21. The most abundant metal present in the earth's crust is;
  22. The most important consideration, while designing the refrigeration system of an aircraft is that the…
  23. Photographic plates are coated with
  24. Alcohols are not suitable as diesel engine fuel because the cetane number of alcohols is
  25. Particle nature of cathode rays is proved due to the fact that they
  26. In __________ process, there is an increase in entropy with no degradation of energy.
  27. Fibre glass is a composite material of
  28. Hot extrusion process is not used for making
  29. Pipelines carrying various utilities in chemical industries are identified by their colour codes. The…
  30. __________ pipe is the most suitable for carrying sanitary drainage.