Locomotive Boiler 8 Parts, Operation, Pros & Cons, and Usage [PDF]

locomotive boiler

This is a fire tube boiler.  A locomotive boiler is a device which is used to create steam from water by using heat energy.
This is a horizontal drum axis, multi-tubular, natural circulation, artificial draft, forced circulation, medium pressure, solid fuel fired fire tube boiler that has an internal fire furnace.
It is capable of producing high steam rate and hence it is used for railway locomotive engines and in marines.

Jigs and Fixtures Types, Differences, Pros & Cons, Applications [PDF]

Jigs and Fixtures

This is a work-holding device which holds, supports and locates the workpiece and guides the one or more tools to perform a specific operation. In other words, this can also be defined as,
Used for holding the tools and also guiding the workpiece.
The main purpose of a jig is, to provide repeatability, accuracy, and interchangeability in the manufacturing of products.