Identify the electrical variable that is either directly or inferentially used

Identify the electrical variable that is either directly or
inferentially used by various instruments to determine the
value of a measured variable.

Question Posted / guest

4 Answers
10796 Views
I also Faced
E-Mail Answers

Answers were Sorted based on User's Feedback

Identify the electrical variable that is either directly or inferentially used by various instrume..

Answer / rajkumar

4-20 ma

Is This Answer Correct ?

11 Yes

0 No

Identify the electrical variable that is either directly or inferentially used by various instrume..

Answer / shakeel221

4~20 mA, 1~5 v,

Is This Answer Correct ?

3 Yes

0 No

Identify the electrical variable that is either directly or inferentially used by various instrume..

Answer / mithlesh

All Instruments uses 4-20 mA output signal to indicate the process variables in all mean called direct or inferential.

Is This Answer Correct ?

2 Yes

0 No

Identify the electrical variable that is either directly or inferentially used by various instrume..

Answer / masters

voltage maybe

Is This Answer Correct ?

0 Yes

3 No

Post New Answer

More Instrumentation Interview Questions

pls send me the 10 years technical question papers of NTPC AND BHEL

15 Answers Bhel, NTPC, ONGC, UCE,

describe yourself?

1 Answers TCS,

how is hazardous and non hazardous area classified?

2 Answers Bhel, Power Plant, Samsung,

Yokogawa CENTUMVP R6.09 unable to download to Engineering Station with ExaOPC R3.75 The issue is when I try to download the common project section to the Engineering Station (STN) from the HIS in System View, it is unable to connect. The error displayed is: WARNING: Could not connect to equalize destination. (7001) Retrying. Number of retries = 0/1 ERROR: LdXopsLoadMain: connect error 10060 ERROR: Processing terminated due to connection error. (7002) Equalization end with errors. STN0149 ---- ERROR = 2 WARNING = 1 ---- Background: >Updated the ExaOPC software on the STN from 3.60 to 3.75 >STN operating system is Windows Server 2008 R2 >HIS operating system is Windows Server 2016 Stanard Solutions attempted include: >Ensuring all IP addresses are correct and all networked devices can be pinged. >The ability to ping a device using its host name from another device (<ping STN0149> from HIS) >Ensure both devices firewalls are disabled. >The antivirus installed on the STN is disabled. >Ensuring both devices are within the same workgroup. >Added both devices to each other's Host and LMHost files. >Running IT Security tool after changing any administrative settings.

0 Answers

If boiler drum level transmitter is not working properly what you will do for resolving the problem in plant running condition?

2 Answers

what is Instrument Schedule, and what it is mainly used for?

0 Answers

What is the basic difference between Modbus and CAN Open Protocols

0 Answers

Flame scanner

1 Answers

What is the function of positioner in control valves? does the control valve operate without positioner?

3 Answers Hofincons,

how u measure flow?orifice measurement?why all ft in square root?

1 Answers

I saw one P&ID 6" control valve has been connected with 8" process line, and 2" valve also connected in parallel with 6" valve. why the 2" valve connected in parallel, Is there any technical reason. please clarify. With Regards-Kittu

5 Answers GNFC,

hello dear i have faced problem in drum level transmitter. the problem is when i engrize the meter meter shows 100% but the actual level 40 or something plz suggest me

7 Answers

For more Instrumentation Interview Questions Click Here