Mechanical Engineering : Steam Boilers QUESTIONS AND ANSWERS :: part3 : 16 to 20
Following Mechanical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :
16.The number of flue tubes in Lancashire boiler is |
| zero |
| one |
| two |
| four |
| many. |
17.Water tube boilers are those in which |
| flue gases pass through tubes and water around it |
| water passes through the tubes and flue gases around it |
| work is done during adiabatic expansion |
| change in enthalpy |
| none of the above. |
18.The diameter of fire tube of Cornish boiler compared to its shell is |
| one half |
| one third |
| one-fifth |
| two-fifth |
| three-fifth. |
19.The diameter of cylindrical shell of the Lancashire boiler is of the order of |
| 1 tp 1.25m |
| 1 to 1.75 m |
| 2 to 4 m |
| 1.75 to 2.75 m |
| 2.25 to 4.5 m. |
20.For burning 1 kg of carbon to CO as per chemically correct combustion, amount of air required is |
| 1 kg |
| 4/3kg |
| 8/3kg |
| 2 kg |
| 16/3 kg. |
More Steam Boilers QUESTIONS AND ANSWERS available in next pages
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