A fusible plug is fitted in small boilers in order to
Avoid excessive build up of pressure
Avoid explosion
Extinguish fire if water level in the boiler falls below alarming limit
Control steam dome
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- Which of the following is correct? (Where pa = Actual mean effective pressure, pm = Theoretical mean…
- When the circulation of water, in a boiler, is by convection currents which are set up during the heating…
- A supercritical boiler is one that operates above the pressure and temperature of following values
- Orsat meter is used for
- The critical pressure at which latent heat of vaporisation is zero is
- The function of a crosshead is to guide motion of the _________ and to prevent it from bending.
- The diameter of Cornish boiler varies from
- The isentropic enthalpy drop in moving blade is two-third of the isentropic enthalpy drop in fixed blades…
- The equivalent evaporation is defined as
- A valve installed between the boiler and the feed pump is
- The heat loss in a boiler takes place in the form of
- The efficiency of reaction turbine is maximum when (where α = Angle made by the absolute velocity…
- Locomotive type' boiler is
- The main object of a boiler trial is
- The diameter of internal flue tubes of a Lancashire boiler is about _________ that of its shell.
- The expansion of steam, as it flows over the blades in reaction turbine, represents
- Which of the following statement is wrong?
- The change in internal energy in steam engines equals to
- Proximate analysis of fuel is determination of percentage of
- Alkaline pyrogallate is used in Orsat's apparatus for absorption of
- The natural draught is produced by
- Which of the following is a fire tube boiler?
- The velocity of whirl at outlet for an axial discharge turbine is
- The shell diameter of a Locomotive boiler is
- Which is not the correct statement about moisture in coal?
- The number of flue tubes in Lancashire boiler is
- Thermal equilibrium means that the flow of steam is
- For a Parson's reaction turbine, if α₁ and α₂ are fixed blade angles at inlet…
- The clearance in the engine cylinder
- For water, at pressures below atmospheric;