Steam Boilers MCQ Questions I Steam Boiler quiz set 1 – Mechanicaltalks February 8, 2022 by Randeep Paramanik 1 Created on February 08, 2022Power plant engineering Steam Boilers set 1 1 / 25 Category: Steam Boilers set 1 The subcritical steam generators operate between a pressure ranges of 120-160 bar 140- 200 bar 130-180 bar 100-110 bar 2 / 25 Category: Steam Boilers set 1 An air preheater is installed _____ between the economiser and chimney before the superheater none of the mentioned before the economiser 3 / 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 4 / 25 Category: Steam Boilers set 1 In a water-tube boiler, water flows through? none of the mentioned shell tube drum 5 / 25 Category: Steam Boilers set 1 The formation of scale boiler leads to increase in heat transfer decrease in efficiency of boiler decrease in maintenance of boiler increase in efficiency of boiler 6 / 25 Category: Steam Boilers set 1 Benson boiler requires 3 drums 1 drums 2 drums 0 drums 7 / 25 Category: Steam Boilers set 1 Which device used to separate condensate from the steam without letting steam escape? steam trap steam valve condenser none of the mentioned 8 / 25 Category: Steam Boilers set 1 The object of producing draught in a boiler is ___ 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 all of the mentioned 9 / 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 10 / 25 Category: Steam Boilers set 1 The diameter of a cylindrical shell of a Scotch marine boiler varies from 1.5 to 2m none of the mentioned 3.5 to 4.5m 2.5 to 3.5m 11 / 25 Category: Steam Boilers set 1 The supercritical steam generators operate at a pressure range of Greater than 240 bar 220- 240 bar 200-240 bar 200-220 bar 12 / 25 Category: Steam Boilers set 1 Which of the following statement is correct? all of the mentioned Steam at a high pressure and in large quantities can be produced with a simple vertical boiler A fire tube boiler occupies less space than a water tube boiler, for a given power A simple vertical boiler has one fire tube 13 / 25 Category: Steam Boilers set 1 What is the length of shell of a Locomotive boiler? 2m 4m 5m 3m 14 / 25 Category: Steam Boilers set 1 The number of fire tubes in a Cochran boiler are 175 165 225 75 15 / 25 Category: Steam Boilers set 1 What is the critical pressure of steam? 120 bar 221.2 bar 300 bar 220 bar 16 / 25 Category: Steam Boilers set 1 Which of the following is a water tube boiler? Babcock & Wilcox boiler Lancashire boiler Locomotive boiler Cochran boiler 17 / 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 18 / 25 Category: Steam Boilers set 1 Which of the following are drumless once-through steam generators? Marine steam generators Utility steam generators Supercritical steam generators Subcritical steam generator 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 fire-tube boiler, the water is in drum all of the mentioned shell tube 21 / 25 Category: Steam Boilers set 1 The natural draught is produced by centrifugal fan chimney none of the mentioned Steam jet 22 / 25 Category: Steam Boilers set 1 Lancashire boiler has ___ internal flue tubes. 1 2 4 3 23 / 25 Category: Steam Boilers set 1 The diameter of flue tube in a Cornish boiler is ____ that of the shell. 1/4 2/5 1/3 3/5 24 / 25 Category: Steam Boilers set 1 The performance of a boiler is measured by the dry flue gases unburnt carbon moisture in fuel steam formation 25 / 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 to increase the temperature of feedwater for better efficiency to increase the temperature of saturated steam without increase in its pressure none of the mentioned Your score isThe average score is 0% LinkedIn Facebook VKontakte 0% Restart quiz Related Spread the love