So I'm a first year apprentice and I'm having a tough time with knowing the difference between AI, AO, DI, DO. I'm having a hard time understanding what devices are which and why. Can someone explain this to me?

Answer Posted / king khan

Yes

Is This Answer Correct ?    1 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

How would you choose differential range?

700


Which products are available in the Mass Systemswitch and System Manager AC range?

1488


Explain types of valves?

660


How to change dcs card in online. (Dsc is maxdna)

2140


Explain the working of rota meter.

757






i have done DAE in Instrumentation and Process Control. i have applied for an apprentice training in chemical company after three day my interview will be conduct but i need more information about industrial process control and controller. my e mail is imran_dilsetu@yahoo.com please tell me interview question relative to instrumentation ?

1867


How does your previous experience relate to the job you are applying for ?

1552


Why plc require in analog input 4-20amp & 0-10 volt?

622


What are the uses of orifice plates?

614


why we use cascade control and feed foreword control in 3 element control of boiler drum ?what is feed forward and cascade control system ?

1751


how to commission furnace ( water heater)

1500


Which are all the commonly used Bordon tubes in the pressure gauges. Do any one use ASTM A 312 tubes for this purpose?

1306


what is use of communication wire in multipare cable(oil and gas field), why this communication wire not used in single pair cable?

1664


I wnat to practice more online type questions .so will you show them me to take a practice test?

918


Identification of control valve parts.

1527