Power Plant | Power Plant Objective Type Questions and answers


26. The pressure at the furnace is minimum in case of.......


   A.Forced draught system

   B.Induced draught system

   C.Balanced draught system

   D.Natural draught system


✔ View Answer


C.Balanced draught system

✍ Your Comments

Your name:

Your Email:

Your Comments:


You can send your comments directly at info@mechanicaltutorial.com.


27. Economiser is used to........


   A.Heat air

   B.Heat feed water

   C.Heat flue gases

   D.All of the above


✔ View Answer


B.heat feed water

✍ Your Comments

Your name:

Your Email:

Your Comments:


You can send your comments directly at info@mechanicaltutorial.com.


28. Critical pressure ratio of a convergent nozzle is defined as........


   A.The ratio of inlet presssure to outlet pressure of nozzle

   B.The ratio of outlet presssure to inlet pressure of nozzle

   C.The ratio of outlet pressure to inlet pressure only when mass flow rate per unit area is minimumn

   D.The ratio of outlet pressure to inlet pressure only when mass flow rate per unit area is maximumn


✔ View Answer


D.The ratio of outlet pressure to inlet pressure only when mass flow rate per unit area is maximumn

✍ Your Comments

Your name:

Your Email:

Your Comments:


You can send your comments directly at info@mechanicaltutorial.com.


29. The value of reheat factor is ........


   A.0.5% to 0.6%

   B.1.02% to 1.06%

   C.0.9% to 0.95%

   D.1.2% to 1.6%


✔ View Answer


B.1.02% to 1.06%

✍ Your Comments

Your name:

Your Email:

Your Comments:


You can send your comments directly at info@mechanicaltutorial.com.


30. Economoser improves boiler efficiency........


   A.4% to 5%

   A.1% to 5%

   C.10% to 12%

   D.18% to 20%


✔ View Answer


A.4% to 5%

✍ Your Comments

Your name:

Your Email:

Your Comments:


You can send your comments directly at info@mechanicaltutorial.com.





< 1 2 3 4 5 6 7 8 Next Page>






Enter Your Suggestion/Comments Here










Can't read the image? Click here to refresh