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 What is the purpose of super heater in a boiler? to increase the temperature of saturated steam without increase in its pressure 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 2 / 25 Category: Steam Boilers set 1 The supercritical steam generators operate at a pressure range of 220- 240 bar 200-240 bar Greater than 240 bar 200-220 bar 3 / 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 4 / 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 fire tube boiler occupies less space than a water tube boiler, for a given power all of the mentioned A simple vertical boiler has one fire tube 5 / 25 Category: Steam Boilers set 1 In a fire-tube boiler, the water is in shell drum tube all of the mentioned 6 / 25 Category: Steam Boilers set 1 Lancashire boiler has ___ internal flue tubes. 1 2 4 3 7 / 25 Category: Steam Boilers set 1 The diameter of flue tube in a Cornish boiler is ____ that of the shell. 1/3 2/5 3/5 1/4 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 discharge the gases of combustion to the atmosphere through the chimney all of the mentioned to exhaust the gases of combustion from the combustion chamber 9 / 25 Category: Steam Boilers set 1 Which device used to separate condensate from the steam without letting steam escape? steam valve condenser steam trap none of the mentioned 10 / 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 11 / 25 Category: Steam Boilers set 1 An air preheater is installed _____ before the economiser between the economiser and chimney none of the mentioned before the superheater 12 / 25 Category: Steam Boilers set 1 Which of the following boiler is best suited to meet the fluctuating demand of steam? Locomotive boiler Babcock and Wilcox boiler Lancashire boiler Cornish boiler 13 / 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 14 / 25 Category: Steam Boilers set 1 What is the pH value of water permissible for boiler? 0 slightly more than 7 slightly less than 7 7 15 / 25 Category: Steam Boilers set 1 What is the critical pressure of steam? 300 bar 221.2 bar 220 bar 120 bar 16 / 25 Category: Steam Boilers set 1 The number of fire tubes in a Cochran boiler are 175 75 225 165 17 / 25 Category: Steam Boilers set 1 The diameter of a cylindrical shell of a Scotch marine boiler varies from 2.5 to 3.5m 3.5 to 4.5m none of the mentioned 1.5 to 2m 18 / 25 Category: Steam Boilers set 1 Which of the following is a water tube boiler? Cochran boiler Locomotive boiler Lancashire boiler Babcock & Wilcox boiler 19 / 25 Category: Steam Boilers set 1 What is the length of shell of a Locomotive boiler? 5m 4m 3m 2m 20 / 25 Category: Steam Boilers set 1 In a water-tube boiler, water flows through? none of the mentioned drum tube shell 21 / 25 Category: Steam Boilers set 1 The natural draught is produced by centrifugal fan Steam jet none of the mentioned chimney 22 / 25 Category: Steam Boilers set 1 The subcritical steam generators operate between a pressure ranges of 100-110 bar 140- 200 bar 130-180 bar 120-160 bar 23 / 25 Category: Steam Boilers set 1 Benson boiler requires 1 drums 0 drums 3 drums 2 drums 24 / 25 Category: Steam Boilers set 1 The formation of scale boiler leads to decrease in maintenance of boiler increase in heat transfer decrease in efficiency of boiler increase in efficiency of boiler 25 / 25 Category: Steam Boilers set 1 Which of the following are drumless once-through steam generators? Marine steam generators Subcritical steam generator Supercritical steam generators Utility steam generators Your score isThe average score is 0% LinkedIn Facebook VKontakte 0% Restart quiz Related Spread the love