ITI Fitter Question Paper 2017 Fourth Semester (Set

27) Which flux is used for soldering?

Answer is:

All of these

28) In a riveted joint the edges of plates are simply laid over each other and riveted. This joint is called

Answer is:

Lap joint

In a riveted joint the edges of plates are simply laid over each other and riveted. This joint is called

29) In a riveted joint the plates are placed end-to-end and jointed through cover plates. This joint is called

Answer is:

Butt joint

In a riveted joint the plates are placed end-to-end and jointed through cover plates. This joint is called

30) An accident is

Answer is:

All of these

Explanation:

An accident is
* Unplanned event
* Non-controlled event
* Undesirable event

31) Case hardening is a method of producing hard skin on the surface of

Answer is:

Low carbon steel parts

Explanation:

Case-hardening or surface hardening is the process of hardening the surface of a metal object while allowing the metal deeper underneath to remain soft, thus forming a thin layer of harder metal (called the "case") at the surface.
Normally Low carbon steel parts are subjected to case hardening process.