Static GK for UPSC
Static GK for UPSC Q & A
Q.1> What was the agreement made at UNFCCC meeting in Paris in 2015?
Ans. The agreement aims to limit...
Important GK topics for UPSC
Important GK Topics for UPSC
Agenda 21
It is a non binding action plan of the UN with regard to sustainable development.
It is...
Commonly used fits for shafts
Commonly used fits for shafts
There are three types of fits :
Interference fit
Clearance fit
Transition fit
These fits are applied differently as per...
Geometric tolerance
Geometric Tolerance control frame and Commonly used Symbols
The picture shows Geometric Tolerance control frame used in Engineering drawing/Drafting Auto Cad. It also shows commonly...
Spheroidizing
Spheroidizing ;
The heat treatment process which produces globular form of carbide in steel is known as Spheroidizing.
Purpose ;
To soften high carbon steel to increase...
Maraging Steel
Maraging Steel :-
1. Maraging Steel find applications as aluminum die casting dies, inserts, extrusion dies, forging dies, punches, cold hardening dies and dies holder.
2....
Tempering – Heat Treatment
Tempering -
The process of reheating hardened steel to some temp. below its critical range in order to decrease hardness and impart toughness is known...
Critical temperatures of Steel
Lower Critical Temperature
All Steel being heated at a uniform rate from room temperature show a comparatively much slow rise in temperature on reaching a...
HSS Tools – All Details
High Speed Steel HSS :-
HSS removes metal at a much higher rate or speed than ordinary carbon Steel.
HSS are categorized by being heat treatable...
Normalizing
Normalizing ;
1. Refines most part of the steel.
2. To remove internal stresses.
3. Reduce brittleness caused by cold working.
4. Restore toughness of metal reduced by...
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