A fusible plug is fitted in small boilers in order to

A. Avoid excessive build up of pressure

B. Avoid explosion

C. Extinguish fire if water level in the boiler falls below alarming limit

D. Control steam dome

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

You can do it
  1. Which of the following is correct? (Where pa = Actual mean effective pressure, pm = Theoretical mean…
  2. When the circulation of water, in a boiler, is by convection currents which are set up during the heating…
  3. A supercritical boiler is one that operates above the pressure and temperature of following values
  4. Orsat meter is used for
  5. The critical pressure at which latent heat of vaporisation is zero is
  6. The function of a crosshead is to guide motion of the _________ and to prevent it from bending.
  7. The diameter of Cornish boiler varies from
  8. The isentropic enthalpy drop in moving blade is two-third of the isentropic enthalpy drop in fixed blades…
  9. The equivalent evaporation is defined as
  10. A valve installed between the boiler and the feed pump is
  11. The heat loss in a boiler takes place in the form of
  12. The efficiency of reaction turbine is maximum when (where α = Angle made by the absolute velocity…
  13. Locomotive type' boiler is
  14. The main object of a boiler trial is
  15. The diameter of internal flue tubes of a Lancashire boiler is about _________ that of its shell.
  16. The expansion of steam, as it flows over the blades in reaction turbine, represents
  17. Which of the following statement is wrong?
  18. The change in internal energy in steam engines equals to
  19. Proximate analysis of fuel is determination of percentage of
  20. Alkaline pyrogallate is used in Orsat's apparatus for absorption of
  21. The natural draught is produced by
  22. Which of the following is a fire tube boiler?
  23. The velocity of whirl at outlet for an axial discharge turbine is
  24. The shell diameter of a Locomotive boiler is
  25. Which is not the correct statement about moisture in coal?
  26. The number of flue tubes in Lancashire boiler is
  27. Thermal equilibrium means that the flow of steam is
  28. For a Parson's reaction turbine, if α₁ and α₂ are fixed blade angles at inlet…
  29. The clearance in the engine cylinder
  30. For water, at pressures below atmospheric;