Answer Posted / himanshu singh
AC stands for alternating current.It has frequency in it.It
flows in single,dual or 3 phase as per requirement.Thus it
has phase and neutral i.e return...also it has pulses and
follows sine graph.
Where as DC stands for Direct Current.It has zero frequency
and has one positive and one negative.Infact Dc is much
powerful than AC.
Is This Answer Correct ? | 8 Yes | 1 No |
Post New Answer View All Answers
How do you identify between actual alarm and false alarm in a Temperature Transmitter in SCADA based Control System
What types of Instrumentation Related Questions can an Interviewer ask in a Telephonic Interview ?
What is the calibration procedure of Drum level transmitter if range is 0 to -400 mmh2o in lab?
Define cryogenic?
how to convert MA in to measuring values..and how mwasuring values into MA ?..plz ansr.i have intervw
IS there any effect of vortex in low pressure side of the transmiter after the orific in feed water line? if yes then what is the calculation?
WHAT IS THE CAM POSITION IN CONTROL VALVE POSITIONER ? WHY IT IS USED?
What is mean by analytical instrumentation?
Who to difference between analog in & analog out in dcs?
what are the selections available in configuring a burnout protection of a controller? thanks
how to calculate orifice sizing? and tell me if pipe size bet 50mm t0 200mm then we can use pipe flange??? and above 250mm pipe size should i use D & D/2 Flange? is it right or wrong?
I am teja. I am studying Msc(tech) Electronics and Instrumentation (3years course) in Andhra university. But my course is not recognised by UGC and AICTE. Please tell me the job opportunities after this course. And i fineshed PLC course in IGIAT ,Vizag.Also complted my short term coure in SCADA, Seimans WinCC in ATI,Hyd.After Msc can i join Mtech for good job? or phd. How i can get good job in INdustrial Automation Side. Please give replay.Because this is my life matter.
1.can you use SCADA instead of DCS,DCS instead SCADA 2.Difference between DCS and PLC,can their role be reversed i.e. role interchange 3.Difference between RTU and PLC
what is gas metering system? gas chromatograph? and gas compressors?
KAlman filter code for two dimension?