Steam Boilers and Engines Questions

• When the circulation of water, in a boiler, is by convection currents which are set up during the heating of water, then the boiler is known as
• The amount of water evaporated from feed water at __________ into dry and saturated steam at 100° C at normal atmospheric pressure is called equivalent evaporation from and at 100° C.
• Which of the following statement is wrong?
• The number of water level indicators in a boiler are generally __________ in number.
• In a La-mont boiler, there is a __________ circulation of water and steam.
• All steam engines work on
• The factor of evaporation for all boilers is always
• A device used to heat feed water by utilising the heat in me exhaust flue gases before leaving through the chimny, is known as
• Combustuion of fuel takes place __________ the engine cylinder of a steam engine.
• The pressure of feed water has to be raised before its entry into the boiler. The pressure is raised by a device known as
• The draught may be produced by a
• The clearance in the engine cylinder has no effect on the steam consumption.
• The fire tubes in a Locomotive boiler has __________ diameter.
• The high pressure and low pressure cylinders in a Woolf type compound engine are regarded as having cranks
• The ratio of heat equivalent to brake power to the energy supplied in steam is known as
• A condenser in a steam power plant
• In a compound steam engine, the first stage of expansion is carried out in a high pressure cylinder whereas the last expansion is completed in low pressure cylinder. The diameter of high pressure cylinder is __________ the lowpressure cylinder.
• The rate of flow of steam is __________ in case of fire tube boilers.
• A condenser where circulating water flows through tubes which are surrounded by steam, in known as
• The fittings mounted on the boiler for its proper and safe functioning is a