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Showing posts from June, 2022

TTT Diagram : Introduction

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TTT diagram  TTT stands for Time-Temperature-Transformation . In modern engineering and technology everywhere metals are used mainly steel , but direct use of steel were in past years but now it's exchanged from steel to alloy steel. But now a days scientist think about lowering the product weight and increasing the strength by mixing alloys in steel.         As metallic products and parts pass from different mechanical process like extrusion,pressing,forging,rolling, cutting, straightening forming etc, they gets stressed and their microstructure changes ,to regain it's microstructure,change and increase strength as well as lowering the weight parts or products are heated and process is known as Heat treatment process .  आसान भाषा में कहें तो लोगों को  हर सामान चाहे वो छोटा हो या बड़ा उसमें reliability, आसानी, मजबूती और हल्की से हल्की चाहिए। इसके लिए वैज्ञानिकों ने एक तरीका खोजा कि प्योर लोहे,स्टील में कुछ अलग धातु या केमिकल डाल दिया जाए जिससे वह सामान हल्का, टिकाऊ व मजबूत बन ज

Agnipath scheme: Indian Agniveer

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  Agnipath Scheme :  Y esterday Defence minister Rajnath Singh launched the Agnipath scheme for service in Indian Armed forces i.e Army,Navy, Airforce. Soldiers will be known as Agniveer . During its announcement chief of Tri-services i.e Armi chief,Navy chief, Airforce chief were present. Under this scheme , youth of 17.5 years to 21 years will be taken for 4 year service including 6 months training. After completion of 4 year of service 75 % will be retired and 25 % with extra capabilities, leadership skills, qualities,ready to face challenge , soldiers will be permanent. During first year ofservice 30000 per month salary given to them after that 40000 will be payed. In which 70 % will be paid to soldiers and remaining 30 % will be kept by government which will covered as PF and adding extra 30 % by government is paid as 'Seva Nidhi' after retirement. As giving seva nidhi to them at one time , no pension will be given.  Government has planned to reduce the  pension and salary

Mahatma Gandhi Setu : Reconstructed

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  Reconstructed MG setu innagurated by Nitin Gadkari on 7th june A long awaited lifeline of Bihar Mahatma Gandhi Setu is again becomes operational on this 7th June after replacement of its superstructure .        The MG setu was built in 1982 on Ganga river in bihar was  5.57 km long. It was Asia's longest bridge at that time. It was worth 87 crore . Connect north Bihar to south Bihar. The construction was started in 1972 and its eastern lane was inaugurated in 1982 by then Prime minister smt. Indira Gandhi and western lane in 1987. It connects NH-22&31. At that time it was made by cantilever bridging system and was first cantilever bridge in india. The bridge was lifeline and a record in Asia then what needed to reconstruct ? After some times after 2005 some cracks were seen on deck of bridge . Then it was filled  government tried to repair and strengthen but again same thing happened and this problem was repeated again and again. Then Bihar government formed a committee to fi

World Environment Day 5th june

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  5th June : World Environment Day "I n the universe, are billions of galaxies In our galaxy,are billions of planets  But there is #OnlyOneEarth  Let's take care of it" by UNEP W orld   Environment Day is celebrated every year on 5th June . It's aim is to save mother earth and make aware in our society about protection of environment from pollutants, chemicals, hazardous wastes etc, as global warming is increasing day by day causing melting of polar ice , rise in sea water level and flood in coastal areas. Global warming causes fire in Forest's as in Australia, India,Africa, America, every where fire cases are arising , Draught cases are arising. Due to increased use of fuels and coals or other fossile fuel's in either transportation, industries, private firms ships planes or elsewhere other , Environment is polluting day by day.          WED established in 1972 by UN General Assembly during Stockholm Assembly Conference. World's first WED celebrated in 19