In case of Transmitter's(e.g.Ultrasonic Flow meter ) we
have an normal practise of selction of upstream and
downstream distance such as (20D and 5D ).can anyone please
let me know whow to calculate "D" ?? i guess it refers to
pipe thickness is t right ?

Answers were Sorted based on User's Feedback



In case of Transmitter's(e.g.Ultrasonic Flow meter ) we have an normal practise of selction o..

Answer / vikram budhiraja

No, It is the pipe "diameter" , not the pipe thickness.

Is This Answer Correct ?    5 Yes 0 No

In case of Transmitter's(e.g.Ultrasonic Flow meter ) we have an normal practise of selction o..

Answer / saqib mushtaq

D is refer to "Pipe Diameter".
If you pipe diameter is 6 Inches.
This is mean that the pipe where Ultrasonic Flow Tx is installed must straight run 120 Inches on Upstream and 30 Inches on Downstream.

Is This Answer Correct ?    0 Yes 0 No

Post New Answer

More Instrumentation Interview Questions

how to make a calibration for differential pressure

2 Answers  


what do you mean by CJC (cold junction compensation).?

5 Answers   Jindal,


what is the differnt between open loop and close loop ?

5 Answers   India Cements,


Differentiate between PLC, SCADA and DCS systems

1 Answers   Mumias Sugar, SRF, Trimula Industries,


A pressure Tx accuracy is 0.2%. Signal o/p is 4-20ma.span is 16 Ma.how many deviate the o/p then calibration needed

1 Answers  






describe yourself?

1 Answers   TCS,


In 2 wire transmitter 1 wire is used for power and other is used for signal( 4-20)ma In 4 wire transmitter 2 wires are used for power and 2 wires are used for signal (4-20)ma . but my question is "what is the criteria or parameters we have to consider while selecting these transmitters for eg( distance, safety zones etc.

1 Answers  


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 ?

0 Answers  


what is the dp across a orifice plate & how much is permanent pressure across an orifice plate.

2 Answers   HPCL,


why we use -ve voltage in vibration monitoring system.generally we use 4 to 20 mA as output of instrument then why we use voltage in vibration

2 Answers  


hi vishok this is noor plz tell me what type problems will occured i use T/C in the place of RTD in (FEED WATER TANK),plz send ur e-mail address to my ID (mail2noor.hyd@gmail.com)

6 Answers  


PLS TELL ME THE FUNCTION OR PRINCIPLE OF CREEP RELEIF VALVE..

3 Answers  


Categories
  • Civil Engineering Interview Questions Civil Engineering (5085)
  • Mechanical Engineering Interview Questions Mechanical Engineering (4451)
  • Electrical Engineering Interview Questions Electrical Engineering (16632)
  • Electronics Communications Interview Questions Electronics Communications (3918)
  • Chemical Engineering Interview Questions Chemical Engineering (1095)
  • Aeronautical Engineering Interview Questions Aeronautical Engineering (239)
  • Bio Engineering Interview Questions Bio Engineering (96)
  • Metallurgy Interview Questions Metallurgy (361)
  • Industrial Engineering Interview Questions Industrial Engineering (259)
  • Instrumentation Interview Questions Instrumentation (3014)
  • Automobile Engineering Interview Questions Automobile Engineering (332)
  • Mechatronics Engineering Interview Questions Mechatronics Engineering (97)
  • Marine Engineering Interview Questions Marine Engineering (124)
  • Power Plant Engineering Interview Questions Power Plant Engineering (172)
  • Textile Engineering Interview Questions Textile Engineering (575)
  • Production Engineering Interview Questions Production Engineering (25)
  • Satellite Systems Engineering Interview Questions Satellite Systems Engineering (106)
  • Engineering AllOther Interview Questions Engineering AllOther (1379)