What is the function of positioner in control valves? does the control valve operate without positioner?
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what is mass flow rate of steam of 7 kg/cm2 pressure in 1 inch id. pipe.
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Where should the lighting arrestor be placed in distribution lines?
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how did the testing of protection relays done through current injection
What is different type of rman backup?
WHY THE DEGREE OF VALVE PLUG AND VALVE SEAT IS SLIGTLY DIFFERENT I CONTROL VALVE TRIM DESIGN
what is active power & reactive power?