what is the working of air drayar

what is the working of air compressor.

what is the working of hydrent system.

how to solved the crictical problems in d. g. set

If asked you, why you want to regin the current company/organisition

If load is 240 kw & pf is 0.8 lagging, than how to increase it from0.8 to 1.0(unit),which rating capacitor used, please give me Calculation. What is effact of consumer & suplier if pf is lagging or leading with on effect machines/ TF/GE etc.

L&T,

what is the different between DC & AC load Line.

Emarat,

how we can find of current direction(supply comming/out going direction) when a transmission line passing through sides.

ONGC,

what is plc and how many type used plc in industrial field.

how many type of plc used in siemens automation system.

Electrosteel,

details of siemens automation systems.

what is different between installation and commonissonig.

why u r living from presentaly working.