Answer Posted / jagath
MMI is a open loop control & HMI can be accessed both in Open/close loop control.
| Is This Answer Correct ? | 1 Yes | 1 No |
Post New Answer View All Answers
plz send me general of ongc
Can anyone send most commonley asked Instrumentation questions and answers in cement industry please?
what different types of problems do occur while doing instrumentation commisioning and how to solve them? please explain in detail
What pressure results for a flow transmitter of range 0- 180t/h in the dcs and 0-301mbar in the field using square root extraction. Kindly also suggest formulae for the percentages 0,25,50,75,100?
Give 2 application of quartz crystal used for process parameter measurement.
Explain the working of rota meter.
Whatis the reset ofset and control system in instrumentation
Draw a group of instruments interlocked to a Pump & Motor?
What are the maximum packet size of: a) HART b) Profibus DP c)Profibus PA d) DeviceNet e) Foundation Fieldbus
What is compensation for flow ? Why we use compensation ? What are the factors of different compensation ? We not use then what problems may happen ?
why we use cascade control and feed foreword control in 3 element control of boiler drum ?what is feed forward and cascade control system ?
How to calculate mmwc values into tonnes?
why we us isolation barrier in hazardous area how it works to protect the area and please clarify its current flow.
How earthing can be checked????
hello can yoy pls send me previous papers of jindalpower and steel ltd.....'m from instrumentation..... mani1048@gmail.com
