Steam Boilers MCQ Questions I Steam Boiler quiz set 1 – Mechanicaltalks February 8, 2022 by A.R 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? Utility steam generators Subcritical steam generator Marine steam generators Supercritical steam generators 2 / 25 Category: Steam Boilers set 1 The object of producing draught in a boiler is ___ all of the mentioned to provide an adequate supply of air for the fuel combustion to exhaust the gases of combustion from the combustion chamber to discharge the gases of combustion to the atmosphere through the chimney 3 / 25 Category: Steam Boilers set 1 What is the pH value of water permissible for boiler? 0 7 slightly less than 7 slightly more than 7 4 / 25 Category: Steam Boilers set 1 In a fire-tube boiler, the water is in tube shell drum all of the mentioned 5 / 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 6 / 25 Category: Steam Boilers set 1 The performance of a boiler is measured by the moisture in fuel unburnt carbon dry flue gases steam formation 7 / 25 Category: Steam Boilers set 1 Benson boiler requires 3 drums 0 drums 1 drums 2 drums 8 / 25 Category: Steam Boilers set 1 What is the length of shell of a Locomotive boiler? 4m 2m 5m 3m 9 / 25 Category: Steam Boilers set 1 Lancashire boiler has ___ internal flue tubes. 3 1 4 2 10 / 25 Category: Steam Boilers set 1 The natural draught is produced by none of the mentioned chimney centrifugal fan Steam jet 11 / 25 Category: Steam Boilers set 1 Which of the following boiler is best suited to meet the fluctuating demand of steam? Cornish boiler Lancashire boiler Locomotive boiler Babcock and Wilcox boiler 12 / 25 Category: Steam Boilers set 1 The number of fire tubes in a Cochran boiler are 165 175 75 225 13 / 25 Category: Steam Boilers set 1 Which device used to separate condensate from the steam without letting steam escape? steam trap condenser steam valve none of the mentioned 14 / 25 Category: Steam Boilers set 1 An air preheater is installed _____ between the economiser and chimney before the economiser before the superheater none of the mentioned 15 / 25 Category: Steam Boilers set 1 The supercritical steam generators operate at a pressure range of 200-220 bar Greater than 240 bar 220- 240 bar 200-240 bar 16 / 25 Category: Steam Boilers set 1 Which of the following is a water tube boiler? Locomotive boiler Lancashire boiler Cochran boiler Babcock & Wilcox boiler 17 / 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 18 / 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 19 / 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 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 20 / 25 Category: Steam Boilers set 1 What is the critical pressure of steam? 220 bar 120 bar 221.2 bar 300 bar 21 / 25 Category: Steam Boilers set 1 In a water-tube boiler, water flows through? drum shell none of the mentioned tube 22 / 25 Category: Steam Boilers set 1 The heat balance sheet for the boiler shows the all of the mentioned 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 23 / 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 24 / 25 Category: Steam Boilers set 1 Locomotive boiler is a multitubular, horizontal, externally fired & stationary boiler single tube, vertical, externally fired & stationary boiler multitubular, horizontal, internally fired & mobile boiler single tube, horizontal, internally fired& stationary boiler 25 / 25 Category: Steam Boilers set 1 The diameter of flue tube in a Cornish boiler is ____ that of the shell. 3/5 1/3 2/5 1/4 Your score is The average score is 0% LinkedIn Facebook Twitter VKontakte 0% Restart quiz Spread the love