Steam Boilers and Engines Questions

• Which of the following boiler is best suited to meet the fluctuating demand of steam?
• A single acting steam engine produces __________ power than that of double acting steam engine.
• When the speed of the crankshaft is between 100 r.p.m. and 250 r.p.m., the engine said to be a
• The function of a safety valve is
• Which of the following statement is wrong?
• Which of the following statement is correct for a compound steam engine?
• In a boiler, feed water supplied per hour is 205 kg while coal fired per hour is 23 kg. The net enthalpy rise per kg of water is 145 kJ. If the calorific valve of the coal is 2050 kJ/kg, then the boiler efficiency will be
• In water tube boilers
• Which of the following statement is wrong?
• Fire tube boilers are
• The shell diameter of a Locomotive boiler is
• The fire tubes in a Scotch marine boiler are
• The object of producing draught in a boiler is
• Which of the following statement is correct?
• A grate, in a boiler, is a place in the combustion chamber upon which fuel (wood or coal) is burnt.
• The temperature of condensate is __________ on leaving the condenser than that of circulating water at inlet.
• A safety valve usually employed with stationary boilers is
• La-mont boiler, is a high pressure water tube steam boiler working on forced circulation.
• An economiser __________ the steam raising capacity of a boiler.
• The rate of steam produced in Benson boiler is