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 heat balance sheet for the boiler shows the steam formed by combustion of hydrogen per kg of fuel all of the mentioned moisture present in the fuel complete account of heat supplied by 1 kg of dry fuel & the heat consumed 2 / 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 A simple vertical boiler has one fire tube Steam at a high pressure and in large quantities can be produced with a simple vertical boiler all of the mentioned 3 / 25 Category: Steam Boilers set 1 What is the critical pressure of steam? 220 bar 300 bar 120 bar 221.2 bar 4 / 25 Category: Steam Boilers set 1 The diameter of flue tube in a Cornish boiler is ____ that of the shell. 2/5 1/4 1/3 3/5 5 / 25 Category: Steam Boilers set 1 The subcritical steam generators operate between a pressure ranges of 140- 200 bar 100-110 bar 130-180 bar 120-160 bar 6 / 25 Category: Steam Boilers set 1 Which of the following is a water tube boiler? Lancashire boiler Locomotive boiler Cochran boiler Babcock & Wilcox boiler 7 / 25 Category: Steam Boilers set 1 What is the purpose of super heater in a boiler? to increase the temperature of feedwater for better efficiency none of the mentioned to increase the temperature of saturated steam with increase in its pressure to increase the temperature of saturated steam without increase in its pressure 8 / 25 Category: Steam Boilers set 1 The performance of a boiler is measured by the steam formation moisture in fuel dry flue gases unburnt carbon 9 / 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 to discharge the gases of combustion to the atmosphere through the chimney all of the mentioned 10 / 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 11 / 25 Category: Steam Boilers set 1 Benson boiler requires 3 drums 0 drums 2 drums 1 drums 12 / 25 Category: Steam Boilers set 1 Which of the following boiler is best suited to meet the fluctuating demand of steam? Babcock and Wilcox boiler Cornish boiler Locomotive boiler Lancashire boiler 13 / 25 Category: Steam Boilers set 1 The formation of scale boiler leads to increase in efficiency of boiler decrease in maintenance of boiler decrease in efficiency of boiler increase in heat transfer 14 / 25 Category: Steam Boilers set 1 The diameter of a cylindrical shell of a Scotch marine boiler varies from 3.5 to 4.5m none of the mentioned 1.5 to 2m 2.5 to 3.5m 15 / 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 16 / 25 Category: Steam Boilers set 1 In a water-tube boiler, water flows through? shell drum none of the mentioned tube 17 / 25 Category: Steam Boilers set 1 An air preheater is installed _____ between the economiser and chimney none of the mentioned before the superheater before the economiser 18 / 25 Category: Steam Boilers set 1 The natural draught is produced by centrifugal fan none of the mentioned Steam jet chimney 19 / 25 Category: Steam Boilers set 1 Locomotive boiler is a single tube, horizontal, internally fired& stationary boiler multitubular, horizontal, internally fired & mobile boiler single tube, vertical, externally fired & stationary boiler multitubular, horizontal, externally fired & stationary boiler 20 / 25 Category: Steam Boilers set 1 Lancashire boiler has ___ internal flue tubes. 4 2 1 3 21 / 25 Category: Steam Boilers set 1 The supercritical steam generators operate at a pressure range of Greater than 240 bar 200-220 bar 220- 240 bar 200-240 bar 22 / 25 Category: Steam Boilers set 1 The number of fire tubes in a Cochran boiler are 165 175 225 75 23 / 25 Category: Steam Boilers set 1 What is the length of shell of a Locomotive boiler? 4m 2m 5m 3m 24 / 25 Category: Steam Boilers set 1 In a fire-tube boiler, the water is in all of the mentioned drum shell tube 25 / 25 Category: Steam Boilers set 1 What is the pH value of water permissible for boiler? 7 0 slightly less than 7 slightly more than 7 Your score isThe average score is 0% LinkedIn Facebook VKontakte 0% Restart quiz Related Spread the love