Steam Boilers MCQ Questions I Steam Boiler quiz set 1 – Mechanicaltalks by A.R 0 Created on February 08, 2022Power plant engineering Steam Boilers set 1 1 / 25 Category: Steam Boilers set 1 Benson boiler requires 1 drums 0 drums 3 drums 2 drums 2 / 25 Category: Steam Boilers set 1 The diameter of flue tube in a Cornish boiler is ____ that of the shell. 3/5 2/5 1/3 1/4 3 / 25 Category: Steam Boilers set 1 The natural draught is produced by centrifugal fan none of the mentioned chimney Steam jet 4 / 25 Category: Steam Boilers set 1 The number of fire tubes in a Cochran boiler are 75 175 165 225 5 / 25 Category: Steam Boilers set 1 What is the critical pressure of steam? 220 bar 120 bar 300 bar 221.2 bar 6 / 25 Category: Steam Boilers set 1 Lancashire boiler has ___ internal flue tubes. 4 1 2 3 7 / 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 steam formed by combustion of hydrogen per kg of fuel moisture present in the fuel all of the mentioned 8 / 25 Category: Steam Boilers set 1 What is the pH value of water permissible for boiler? slightly more than 7 slightly less than 7 7 0 9 / 25 Category: Steam Boilers set 1 The formation of scale boiler leads to decrease in efficiency of boiler decrease in maintenance of boiler increase in heat transfer increase in efficiency of boiler 10 / 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 11 / 25 Category: Steam Boilers set 1 The supercritical steam generators operate at a pressure range of 200-220 bar 200-240 bar Greater than 240 bar 220- 240 bar 12 / 25 Category: Steam Boilers set 1 Which of the following is a water tube boiler? Babcock & Wilcox boiler Lancashire boiler Cochran boiler Locomotive boiler 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 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 14 / 25 Category: Steam Boilers set 1 Locomotive boiler is a multitubular, horizontal, internally fired & mobile boiler multitubular, horizontal, externally fired & stationary boiler single tube, vertical, externally fired & stationary boiler single tube, horizontal, internally fired& stationary boiler 15 / 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 16 / 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 none of the mentioned to increase the temperature of feedwater for better efficiency 17 / 25 Category: Steam Boilers set 1 In a fire-tube boiler, the water is in drum shell tube all of the mentioned 18 / 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 valve steam trap 19 / 25 Category: Steam Boilers set 1 What is the length of shell of a Locomotive boiler? 4m 2m 5m 3m 20 / 25 Category: Steam Boilers set 1 Which of the following are drumless once-through steam generators? Supercritical steam generators Utility steam generators Subcritical steam generator Marine steam generators 21 / 25 Category: Steam Boilers set 1 In a water-tube boiler, water flows through? shell none of the mentioned drum tube 22 / 25 Category: Steam Boilers set 1 The performance of a boiler is measured by the moisture in fuel dry flue gases steam formation unburnt carbon 23 / 25 Category: Steam Boilers set 1 Which of the following boiler is best suited to meet the fluctuating demand of steam? Locomotive boiler Cornish boiler Lancashire boiler Babcock and Wilcox boiler 24 / 25 Category: Steam Boilers set 1 An air preheater is installed _____ none of the mentioned between the economiser and chimney before the superheater before the economiser 25 / 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 Your score is The average score is 0% LinkedIn Facebook Twitter VKontakte 0% Restart quiz Spread the love