The old welding machines used electromagnetic winding to step up the current for welding rods. What is the new principle inside the welding machines?
4 34182why the head portion of the screw jack (which carries the load when not rotating) is made hollow?
1 2267Q : How to calculate cooling water pumps head, do I need to consider static head and frictional loss of the pipe with high elevation? I mean to say is discharge pipe branches to several elevations and joins to the cooling water return line. The highest elevation pipe goes to a heat exchanger at (xx) psi inlet pressure. Should I consider only pump discharge header and this piping for head calculations? How about frictional losses in return pipe? Pressure recovered in return piping is good enough to make it back to the cooling tower?
1 10688Would you please provide me with questions collected for interview regard to pressure vessel, which is in the aspects of welding, NDT, materials and painting? Please send these questions&answers to lgx_jasmine@126.com within 1 week, Thank you for your help. Rgs!
1 2118Post New Mechanical Engineering Questions
PLEASE PROVIDE ME PAPER ALONG WITH QUESTION THAT ARE ASKED IN ENTRANCE EXAM EVERY YEAR/
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What will be expected the cut-off of J.E Mechanical exam of RRB on 19/12/2010 ?
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Sir, In the current session I am attending the Junior Engineer Exam in Grade II for Mechanical Engineering. If it possible. Please sent the Past Exams Question on my mail. It is so useful use to me.
Dear sir-I WANT LAST FIVE YEARS RRB-CHENNAI QUESTION&ANSWER PAPER IN J.ENGG(GRADE:II)-MECHANICAL ENGINEER
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