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...

Annealing

Annealing - Purpose, Process and Effects.  Annealing - Improves softness and ductility in steel and other cold worked metals. Purpose : 1. To induce softness in steel. 2....

Gauges

Gauges - Definition, Types, Principle and other details Gauges - Gauges are checking instruments and they play an important role in ensuring the limits and...

Limits, Fits and Tolerance

Limits, Fits and Tolerance : These three words are one of the most confusing words in terms of their definition. One is linked to the...

Auto Cad Shortcut Keys

Auto Cad Shortcut Keys Auto Cad(Computer Aided Design) is one of the most used design software. Be it any stream in technical sector - Mechanical,...

Cutting Tools in CNC M/cing

Cutting Tools in CNC M/cing Cemented Carbide Properties Speed can be 3 to 8 times of HSS Can withstand upto 1000 deg. temp.   Ceramics Consists basically...

Types of Turbines

Classification of Hydraulic Turbines Turbines are classified on various basis : A) Head and Quantity of water available B) Name of originator C) Nature of Working of the...

Cutting Tools in CNC Machining

Cutting Tools used in Computer Numeric Control Machining - All details   Cutting Tool Materials ; 1. High Carbon Steel 2. High Speed Steel (HSS) 3. Cast Alloy 4. Cemented...

CNC MCQs

Q.1 ] What is the highest RPM of CNC Lathe Machine ? ANS -  4,500. Q.2 ] What is the highest RPM of CNC Milling Machine? ANS...

Trigonometry Basics

https://youtu.be/qb1946FliZk Trigonometry Basics ; Basic trigonometry relations solved.

Windows secret key combinations, HOT KEYS.

Various Secret Hot key combinations for Windows Win key - start menu, In win 8.1 it opens previous menu. Win + a - action...