| 21. |
A closed vessel used for the generation of steam at a desired temperature and pressure is called a
|
||||||||
|
Answer:
Option (a) |
| 22. |
In water tube boilers
|
||||||||
|
Answer:
Option (a) |
| 23. |
In fire tube boilers
|
||||||||
|
Answer:
Option (b) |
| 24. |
Which one of the externally fired boiler?
|
||||||||
|
Answer:
Option (a) |
| 25. |
Fire tube boilers are
|
||||||||
|
Answer:
Option (a) |
| 26. |
When the circulation of water in a boiler, is by convection currents which are set up during the heating of water, then the boiler is known as
|
||||||||
|
Answer:
Option (c) |
| 27. |
When the circulation of water in a boiler is by a pump, then the boiler is known as
|
||||||||
|
Answer:
Option (d) |
| 28. |
In fire tube boilers, the pressure is limited to
|
||||||||
|
Answer:
Option (a) |
| 29. |
Cochran boiler is a
|
||||||||
|
Answer:
Option (d) |
| 30. |
The fire tubes in a Cochran boiler are
|
||||||||
|
Answer:
Option (a) |