Answer / khadeer

blowholes,porosity,

Answer / sundar

defect occuring during welding,ie., when molten metal
exposed to atmosphere it will get easily oxidised so that
porosity,blow holes and other defects happens.

Answer / yagya narayan pandey

mainly destrtion produce by heating of wekdzone
&complicated shape can not weld easily

types of steel avaliable in india and how to select the right steel for the job?

1 Answers  

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what is differance between ball screw and lead screw ?

2 Answers   Amtek,

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Define refrigerant.

0 Answers  

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how can i replace annular plats in tanks

0 Answers  

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What is the congressional space medal of honor?

0 Answers  

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what is the basic need for designing the bottle filling machines

0 Answers  

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Hi everyone.. I attended the HAL interview... on 9th dec 2008 @ Bangalore.. the interview was 90% technical... my question are>>>>> 1) Design a rod that should withstand 1000N? (they told that the material is mild steel & they gave me the stress- strain graph for that) 2) what is the principal of hydraulic braking?? 3) whether interchangebility is possible between JIGS & FIXTURES??? 4) what is recent developement in Automobile ENGINE??? 5) abt my final year project (since i m a fresher) 6) some HR questions

3 Answers   Bhilai Steel Plant, HAL,

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What is fission and fusion?

2 Answers  

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Which instrument is used to measure the Inner diameter,outer dia,Thichness & Depth.

1 Answers   Bhel,

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• Tell me about yourself:

1 Answers   Petro Star Mount,

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Internal energy of a substance depends on

2 Answers   Bhel,

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why eta(η) became the symbol of Newton law of viscocity

0 Answers  

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