in project refinery oil (petroleum) , what type of pump is
used?
Explain how the cylinder lubrication on main engine is done?
Why preferred Production than Drilling?
When a 30KW/3 ph pump runs one hour continously, what will be the heat dissipated? how can i find this, any general equation?
difference between lead screw and ball screw???
Explain mechanical refrigeration.
What is the purpose of bilge separator
What is the indication of leaking starting valve of an engine?
What are the modes of heat transfer?
What is the difference between DIN statndard and DN standard for flanges & what does PN mean in DIN standard.
i want to know the difference between proportional hydraulic valve & servo hydraulic valve
sampile paper for dme in rrb exam
What is the purpose of starting air?