How to calibrate Toxic gas detector?
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what is earthing ,grounding in c&i panel?what is the resistance in earthing and grounding of c&i panel?what do u mean by shielding and what is its resistance?
Condensation within a sight glass? Would you expect there to be more problems when using a sight glass if there is condensation on the inside or the outside of the glass, and why?
what is a mapping in plc & dcs
1 Answers Arctern, ARM Cement,
For a diafhram 1.5 d =kn(p-p0) D4 Where d in deflection in inch k=constant n=no of capdule (P-P0)=Applied pressure in psi D In active dia at capsule. -1.5 d=k to p d being constant -1.5
0 Answers L&T, Shiv Tech Marine Control,
if my flow is 20000 m3/h than which range of DPT i have to use????
why we use sensing type(NPN)on a vibration monitring system not a (PNP)sensing type
What are different types of cable?
What is seismic transducer?Where it is used?
capillary type tranmitter using remote seals and capillary tubes filled with liquid of known of known density so if you wanna callibrate it just close block valve just before capilary @ high side & connect druck apply it's calibrated range pressure as normal calibration ensure low side block valve must be closed & if you asking commissioning so this is not a DP type pressure tx so simple if you wanna put in servie this tx just open high side block valve & than low side block same way i do it but still transmitter showing -13 ma.just tell me what i want to do ?
Explain Gas Turbine startup and shutdown sequences
Explain the key components of control loop?
Single acting ON-OFF valve. it is air to open. when sov energized , valve will be open, so during that if air fail then what will be the condition of valve ( open or close ) ???