There is about 15 to 20% of coal saving when an economiser is used in a boiler.

More Questions from Steam Boilers and Engines

• The difference between the atmospheric pressure and the absolute pressure is known as vacuum in a condenser.
• Which of the following is correct? (where pa = Actual mean effective pressure, pm = Theoretical mean effective pressure, and K = Diagram factor)
• In surface condensers, the condensate and the cooling water mixes up.
• The principal function of a stop valve is to
• In a steam condenser, the partial pressure of steam and air are 0.06 bar and 0.007 bar respectively. The condenser pressure is
• A vessel into which the steam is exhausted and condensed after doing work in an engine cylinder or turbine is known as
• A valve installed between the boiler and the feed pump is
• The draught in locomotive boilers is produced by a
• The ratio of the energy required to produce the artificial draught (expressed in metres head or J/kg of flue gas) to the mechanical equivalent of extra heat carried away per kg of flue gases due to natural draught, is known as
• Which of the following statement is correct?

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