What is meant by free or natural convection?
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how much axis is in CNC machine?
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what is grease? what is it made up of so that it maintains its properties for a long long time?
i want to know the difference between proportional hydraulic valve & servo hydraulic valve
Which welding process uses non-consumable electrodes?
Write down the equation for conduction of heat through a slab or plane wall.
is it necessory to use heat exchanger in case of water cooled chillers & cooling towers?????
What is the difference between isotropic and anisotropic materials ?
What is mean effective press?
where can i get railway junior engineer(mechanical) previous years question papers?
what is ultrasonic flaw decdector?
Heat a vessel with water inside and cool it under tap suddenly. Now when we try to open it...It does not open easily ...why?
Prove that 0/0 =2