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