Steam boiler | Steam boiler Objective Type Questions and answers

6. The water tubes in a simple vertical boiler are

   A.Horizontal

   B.Vertical

   C.Inclined

   D.All of the above

7. The diameter of fire tubes in cochran boiler is of the order of........

   A.2 cm

   B.6 cm

   C.8 cm

   D.15 cm

8. Lancashire boiler is a........

   A.Stationary fire tube boiler

   B.Internally fire tube boiler

   C.Horizontal boiler

   D.All of the above

9. The diameter of internal flue tubes of a Lancashire boiler is about........that of it's shell

   A.One-fourth

   B.One-third

   C.Two-fifth

   D.One-half

10. Thermal efficiency of well maintained boiler will be of the order......

   A.30%

   A.55%

   C.90%

   D.45%

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