Steam Boilers MCQ Questions I Steam Boiler quiz set 1 – Mechanicaltalks by Randeep Paramanik 0 Created on February 08, 2022Power plant engineering Steam Boilers set 1 1 / 25 Category: Steam Boilers set 1 Lancashire boiler has ___ internal flue tubes. 2 4 1 3 2 / 25 Category: Steam Boilers set 1 The heat balance sheet for the boiler shows the moisture present in the fuel complete account of heat supplied by 1 kg of dry fuel & the heat consumed steam formed by combustion of hydrogen per kg of fuel all of the mentioned 3 / 25 Category: Steam Boilers set 1 The diameter of a cylindrical shell of a Scotch marine boiler varies from none of the mentioned 1.5 to 2m 3.5 to 4.5m 2.5 to 3.5m 4 / 25 Category: Steam Boilers set 1 The diameter of flue tube in a Cornish boiler is ____ that of the shell. 3/5 1/3 2/5 1/4 5 / 25 Category: Steam Boilers set 1 Which of the following statement is correct? A fire tube boiler occupies less space than a water tube boiler, for a given power all of the mentioned Steam at a high pressure and in large quantities can be produced with a simple vertical boiler A simple vertical boiler has one fire tube 6 / 25 Category: Steam Boilers set 1 The formation of scale boiler leads to decrease in efficiency of boiler increase in efficiency of boiler increase in heat transfer decrease in maintenance of boiler 7 / 25 Category: Steam Boilers set 1 Locomotive boiler is a multitubular, horizontal, externally fired & stationary boiler multitubular, horizontal, internally fired & mobile boiler single tube, horizontal, internally fired& stationary boiler single tube, vertical, externally fired & stationary boiler 8 / 25 Category: Steam Boilers set 1 The supercritical steam generators operate at a pressure range of Greater than 240 bar 200-240 bar 200-220 bar 220- 240 bar 9 / 25 Category: Steam Boilers set 1 Which device used to separate condensate from the steam without letting steam escape? condenser steam valve steam trap none of the mentioned 10 / 25 Category: Steam Boilers set 1 What is the pH value of water permissible for boiler? slightly less than 7 7 slightly more than 7 0 11 / 25 Category: Steam Boilers set 1 The natural draught is produced by none of the mentioned centrifugal fan Steam jet chimney 12 / 25 Category: Steam Boilers set 1 In a water-tube boiler, water flows through? tube drum none of the mentioned shell 13 / 25 Category: Steam Boilers set 1 In a fire-tube boiler, the water is in tube all of the mentioned shell drum 14 / 25 Category: Steam Boilers set 1 Which of the following is a water tube boiler? Cochran boiler Locomotive boiler Babcock & Wilcox boiler Lancashire boiler 15 / 25 Category: Steam Boilers set 1 An air preheater is installed _____ between the economiser and chimney before the economiser before the superheater none of the mentioned 16 / 25 Category: Steam Boilers set 1 The object of producing draught in a boiler is ___ to provide an adequate supply of air for the fuel combustion to discharge the gases of combustion to the atmosphere through the chimney to exhaust the gases of combustion from the combustion chamber all of the mentioned 17 / 25 Category: Steam Boilers set 1 Which of the following boiler is best suited to meet the fluctuating demand of steam? Lancashire boiler Cornish boiler Locomotive boiler Babcock and Wilcox boiler 18 / 25 Category: Steam Boilers set 1 What is the critical pressure of steam? 120 bar 300 bar 221.2 bar 220 bar 19 / 25 Category: Steam Boilers set 1 The performance of a boiler is measured by the dry flue gases steam formation moisture in fuel unburnt carbon 20 / 25 Category: Steam Boilers set 1 The subcritical steam generators operate between a pressure ranges of 140- 200 bar 130-180 bar 120-160 bar 100-110 bar 21 / 25 Category: Steam Boilers set 1 Benson boiler requires 3 drums 2 drums 1 drums 0 drums 22 / 25 Category: Steam Boilers set 1 What is the length of shell of a Locomotive boiler? 3m 2m 5m 4m 23 / 25 Category: Steam Boilers set 1 Which of the following are drumless once-through steam generators? Supercritical steam generators Marine steam generators Utility steam generators Subcritical steam generator 24 / 25 Category: Steam Boilers set 1 What is the purpose of super heater in a boiler? to increase the temperature of saturated steam without increase in its pressure to increase the temperature of saturated steam with increase in its pressure to increase the temperature of feedwater for better efficiency none of the mentioned 25 / 25 Category: Steam Boilers set 1 The number of fire tubes in a Cochran boiler are 175 165 225 75 Your score is The average score is 0% LinkedIn Facebook Twitter VKontakte 0% Restart quiz Spread the love