Steam Boilers and Engines Questions

• 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.
• The ratio of the clearance volume to the swept volume is called
• The cut-off ratio is the reciprocal of expansion ratio,
• The Locomotive boiler has
• Throttle governing of steam engines is a method of controlling the engine output by varying
• In cross compounding, the cylinders are arranged
• There is always some steam left in the clearance space from the previous stroke. This steam left in the clearance space is called
• The function of an eccentric is to provide __________ motion to the slide valve.
• A __________ in a boiler is used to put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit.
• The clearance in the engine cylinder
• The shell of the Cochran boiler is made hemispherical
• The main object of a boiler trial is
• The damper in a steam boiler is provided to control the draught (i.e. rate of flow of air) and thus regulate the rate of generation of steam.
• The actual vacuum in a condenser is equal to
• In a receiver type compound engine, the high pressure and low pressure cylinders
• The cylinder condensation or missing quantity may be reduced by