The function of a safety valve is

A. To blow off steam when the pressure of steam inside the boiler exceeds the working pressure

B. To indicate the water level inside the boiler to an observer

C. To measure pressure of steam inside the steam boiler

D. None of the above

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

You can do it
  1. Which of the following statement is correct?
  2. In a boiler, feed water supplied per hour is 205 kg while coal fired per hour is 23 kg. The net enthalpy…
  3. Which of the following gases has the highest calorific value?
  4. The diameter of a cylindrical shell of a Scotch marine boiler varies from
  5. The difference of supersaturated temperature and saturation temperature at that pressure is called
  6. The heat loss in a boiler takes place in the form of
  7. Alkaline pyrogallate is used in Orsat's apparatus for absorption of
  8. The diameter of flue tube in a Cornish boiler is _________ that of the shell.
  9. Pick up wrong statement about desired properties of a good fuel
  10. In cross compounding, the cylinders are arranged
  11. The average value of diagram factor lies between
  12. A supercritical boiler is one that operates above the pressure and temperature of following values
  13. Pick up the wrong statement about critical condition of steam
  14. In turbines, the fluid undergoes a continuous steady flow process and the speed of flow is
  15. The turbine blades are
  16. Equivalent evaporation of water is the evaporation for a feed water supply at 100°C
  17. The clearance in the engine cylinder
  18. Relative percentage of heat absorbed through the heat transfer of (i) Furnace water wall (ii) Boiler…
  19. The effect of super-saturation is that the
  20. Film boiling occurs at
  21. In a throttling process
  22. Secondary air is the air used to
  23. The discharge is __________ at critical pressure.
  24. The value of diagram factor depends upon
  25. A closed vessel made of steel and used for the generation of steam is called a
  26. The maximum heat loss is a boiler occurs due to
  27. The major axis of elliptical manholes on the shell should be provided
  28. The ratio of the actual vacuum to the ideal vacuum in a condenser is called
  29. The diameter of fire tube of Cornish boiler compared to its shell is
  30. The balanced draft furnace is one using