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