why the supply frequency used in America is 60Hz while that
used in India is 50Hz?,
Answer Posted / kyle condran
Why north America NTSC and Europe PAL
Why Metric and IMperial.
it is just the system choosen
| Is This Answer Correct ? | 2 Yes | 2 No |
Post New Answer View All Answers
hi sir yhis is zahid ali i am preparing for the jspl at oct.4.please send me the recently updated sample paper.
what are the selections available in configuring a burnout protection of a controller? thanks
What is PDS and PDMS ?
How it the difference between force balance system and dispalacement balance system?
Describe how to use megger to measure the earth resistance and insulation resistance
what is orfics working in main steam line. is it increase pressure, velocity of steam flow and dicrease steam flow rate. or any other
How oil line flow measured?eplain about instruments used and working principle?
To become an Instrument DESIGN engineer, is there any softwares or training to become Instrument Design engineer, plz suggest me, Iam very much interested in designing.
Any body have know try work calculation ???
How d.p. Transmitter can be applied to open tank?
What happen if I install my pressure transmitter below the elevation of pipe in natural gas service?
What are different types of valves?
how to calculate control valve bonnet size?? or how to select its material?
Q- Control problem are mainly classified in _____ types. a-)4 b-)3 c-)6 d-)nono of these Few of them i know is 1- regulator type problem (eg- Air conditioner) 2- tracking problem (eg missile trcking problem) 3- sybernatics 4- optimal control problem
Regarding , there is an air cooler which control the fans(50% of AV FANS) by temperature in outlet , and the louver of Air cooler is controlled by HIC from control system , So if on Air cooler we will consider 2 individual I/P converter or positioner?