how to measure oxygen which methods are using?
What is passive connection of instrument in different type of I/O module
how we can calibrate split range control valve?
If the average power during generation is zero, why do the analog meters have + and - ?
What is the difference between fire detector and smoke detector?
What is flow ,level, pressure transmitter ?and units?
what is the diffrence between plc&dcs
4 Answers HCL, Hindustan Zinc,
What is the differace between Volumatric flow meter and Mass flow meter.
how level can be measured in open tank with reference to pressure
Explain about the leakage class of the control valves
what is HVAC?
What is the full form of PMMC ?
when we are using HART COMMUNICATOR why we are using 250 ohm resistance while using HART COMMUNICATOR.