Why is nitrogen used in welding?

0 Answers  

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What are reasons for poor machinability for IS 2062 steel

0 Answers   L&T,

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what is different between impact and impulse force ?

1 Answers  

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what is the difference between steel tube grade IS 1239&IS 1169

0 Answers   Hindalco,

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Who are the leaders among expansion valve manifacturers? what are the recent developements in the expansion valve industry, used in refrigeration abd air-conditioning?

0 Answers  

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The property of a metal that is determined by the indentation on a metal surface

7 Answers   HAL,

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what are the types of welding tests please answer or e mail to chethanbabu007@gmail.com

6 Answers  

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What is mean by fitter ?

2 Answers   Essar, Mahle Filter Systems, Maruti Suzuki, Voms,

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Why the work per kg of air flow in axial flow compressor is less compared to centrifugal compressor for same pressure ratio ?

0 Answers  

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difference between statics and dynamics

1 Answers  

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Define representative elementary volume?

0 Answers  

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1: When mesuring the flow of liquid what are the two things to measure? 2: In which industrial process you will use centrifugal separator? 3: If any machinery or transmission needs periodic and regular lubrication what is the best method to give it? 4: Oil melts, grease melts. Is there any other lubrication which is effect at 200 deg c? 5: What is a torque converter? 6: Instead of having individual transmission what is the benefit of unified transmission? 7: What are the different types of mechanism to engage primary moving engine and transmission (in other words how many different types of clutches are there)? 8: In order to ensure constant pressure and constant flow rate of compressed air what should we put between the compressor and end user? 9: What can be the reasons for a metal gasket to leak? 10: The old welding machines used electromagnetic winding to step up the current for welding rods. What is the new principle inside the welding machines?

0 Answers   Petrotech,

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