Mechanical Engineering - Steam Boilers and Engines - Discussion

2. 

In a glass tube type water indicator for a boiler, one end of the tube is connected to water space and the other end is connected to

[A]. water space also
[B]. chimney
[C]. steam space
[D]. superheater

Answer: Option C

Explanation:

No answer description available for this question.

Sanjeev said: (Jul 15, 2015)  
Can any one explain it why please?

Satyanarayana said: (Oct 21, 2015)  
Becayous of vacuum indication also taken.

Chanyau said: (Oct 21, 2015)  
Steam and water level in the drum can be display in the sight glass.

Aashiq Ullah said: (Aug 5, 2017)  
The water of the boiler comes into the glass tube through the lower tube and the steam through the upper tube. The water then stands in the glass tube at the same level as in the boiler. Two cocks are used to control the passage of between the boiler and the glass tube while the third cock is used to discharge some of the water from inside the boiler to see whether the gauge is in proper order or not. The glass tube is protected by means of a cover, made of specially toughened glass, which will prevent any accident that may happen due to breaking of glass tube. It is used for ordinary boilers.

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