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