Steam Boilers and Engines - Section 1 (4)

The draught produced by a steam jet issuing from a nozzle placed in the ashpit under the fire grate of the furnace is called

A safety valve usually employed with stationary boilers is

Fire tube boilers are

An economiser __________ the steam raising capacity of a boiler.

The diameter of flue tube in a Cornish boiler is __________ that of the shell.

A device used to increase the temperature of saturated steam without raising its pressure, is called

Which of the following statement is correct ?

A draught produced by a chimney due to the difference of densities between the hot gases inside the chimney and cold atmospheric air outside it, is called natural draught.