The mechanical draught produces more draught than natural draught.

More Questions from Steam Boilers and Engines

• The maximum steam pressure in a Locomotive boiler is limited to
• The motion of a D-slide valve in a steam engine is simple harmonic.
• Expansion ratio is the ratio of
• Lancashire boiler is used where working pressure and power required are
• A device used in a boiler to control the flow of steam from the boiler to the main pipe and to shut off the steam completely when required, is known as
• The amount of water evaporated or steam produced in kg per kg of fuel burnt is termed as evaporative capacity of a boiler.
• The draught is the __________ of pressures above and below the fire grate.
• In a double acting steam engine, the steam is admitted on one side of the piston and two working strokes are produced during each revolution of the crankshaft.
• In a Tandem type compound engine, the high pressure and low pressure cylinders
• Cornish boilers are multi-tubular boilers.

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