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