What is the difference between alpha iron, delta iron and gamma iron ?

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What is wet corrosion and galvanic corrosion?

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How to calibrate Vacuum Gauges if you don't have any standard gauge available with you? please suggest procedures for calibration of Vacuum gauge like pirani gauge ,cold cathod gauge,thermocouple gauge without any standard gauge.

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What is the most important thing you have achieved as an engineer?

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I NEED PREVIOUS YEAR QUESTION AND ANSWER FOR RRB JR.TECH- ENGINEER-3 FOR DIPLOMA VERSION.PLEASE SEND ME URGENT.MY MAIL ADDRESS IS vadivelu2000@gmail.com

0 Answers   RRB,

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What do u mean about Gear Coupling Number like 101,102,103.....110,112....and how u will get proper Number of Gear Coupling.,Explain it.

2 Answers   TATA,

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hi,i am aneesh i want to know that ,presently i am in second year shall i go learning catia course in 4th semester and shall i have a training visit to industry after 4th semester,is it suitable for me and appropriate time to do so.

2 Answers  

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sampile paper for dme in rrb exam

0 Answers   RRB,

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What is equivalent spring constant for spring in parallel?

3 Answers   Bhel,

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i am studying in bechanical engineering in M,S,University at Baroda.i and my friends want to take one month industrial trainning in mechanical engineering company.pleas send some company's name and procedure.

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Why do you need a biological shield in nuclear plants?

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What is screw,centrifugal and rotary type compressors,how it works and what is principle .

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