Steam Boilers and Engines Questions

• Cut-off governing as compared to throttle governing is
• By compounding the expansion of steam in two or more cylinders, the length of stroke
• The relative efficiency is defined as the
• The internal flue tubes of a Lancashire boiler are reduced in diameter at the back to provide access to the lower part of the boiler.
• The missing quantity per stroke is equal to
• Water tube boilers produce steam at a __________ pressure than that of fire tube boilers.
• Locomotive boiler is a __________ boiler.
• The performance of a boiler is measured by the
• The theoretical indicator diagram of a simple steam engine is based upon the assumption that
• When steam after doing work in the cylinder passes into a condenser, the engine is said to be a
• The heat balance sheet for the boiler shows the
• Which of the following is a water tube boiler?
• The diameter of a cylindrical shell of a Scotch marine boiler varies from
• The diagram factor is the ratio of the
• The fire tubes in a Cochran boiler usually have __________ diameter.
• In case of non-condensing steam engines, the pressure of steam in the cylinder during exhaust stroke is __________ the condenser pressure.
• A compound steam engine in which piston rods of high pressure and low pressure cylinders ' are attached to two different cranks set at 180° to each other, is called
• The actual power supplied by the engine crankshaft is called
• The draught produced by a steam jet issuing from a nozzle placed in the chimney is called
• The equivalent evaporation is defined as