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