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