Class 2 (2nd Engineer) MEKG 📅 Feb 2018

Exam Question

Sketch and describe a boiler water level controller of the float operated type. State the reasons for having this mechanism on the boiler and using the controller and boiler for analogy explain the following terms:

(a) Detecting element

(b) Servo motor

Reference Answer

Boiler Water Level Controller – Float Operated Type
A simple float-operated water level controller consists of:
A float chamber connected to the boiler steam drum by two lines — one for steam and one for water.
A float inside the chamber, which rises and falls with changes in water level.

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