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 18748why the head portion of the screw jack (which carries the load when not rotating) is made hollow?
905Q : 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 8233Would 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!
692Post New Mechanical Engineering Questions
Enumerate some trouble of fuel injection valve
Why are open the ejector air vents.
How to recommend which type of coupling is suitable in particular area
I WORKED AS A Q.C INSPECTOR IN STATIC EQUIPMENT.WHAT ARE THE QUESTIONS ARE LIKELY TO BE ASKED IN AN INTERVIEW.
workingh principle of valve timing chart for cummins engine
CAN ANY ONE SEND ME THE RRB SECTION ENG. Q-PAPER .. MY MAIL ID :suresh25siva@yahoo.com, suresh.sivakumar@tcs.com
what is the meaning of rheostat in maximum and minimum position?
What is add number
What is cri pumps & mechanical sael
What are the causes of dirty lubricating oil?
how material removal occurs only in workpiece not in tool during an EDM process?
in a pump, impeller wear ring is harder or casing ring? why?
what is the basic need for designing the bottle filling machines
How to find DG efficiency and unit per litre
why we do not megger to motor under system is very high vaccum condition. and what is the tempreture of vaccum conditon
