# Common Interview Questions: Entry Level Instrumentation

**URL:** <https://forumautomation.com/t/common-interview-questions-entry-level-instrumentation/141>\
**Category:** Instrumentation\
**Created:** [October 13, 2014, 5:55pm UTC](https://forumautomation.com/t/common-interview-questions-entry-level-instrumentation/141 "2014-10-13T17:55:00Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![instrumen](https://forumautomation.com/letter_avatar_proxy/v4/letter/i/65b543/32.png) [@instrumen](https://forumautomation.com/u/instrumen)\
**Post date:** [October 13, 2014, 5:55pm UTC](https://forumautomation.com/t/common-interview-questions-entry-level-instrumentation/141/1 "2014-10-13T17:55:01Z")

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Que. : Draw an electronic two wire system control loop. Que. : What are Intrinsically safe system ? Que. : What does a transmitter output start from 3-15 psi or (0.2 - 1 Kg/Cm2) or 4 - 20 ma. etc. ? Que. : What is force balance and motions balance principle ? Que. : What is Process Que. : What is Manipulated variable , Error and controlled variable Que. : Define control agent, actuating signal, Deviation, Offset, reference input, Setpoint Que. : Define Accuracy, attenuation, deadtime,drift, error , Span error,Zero error , static gain, Hysterisis,Interference, common mode interference,Normal mode interference, Linearity, Rang, Repeatability, Reproducability,response, Signal to Noise ratio, time constant, Span, Zeroshift

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**Author:** ![automate](https://forumautomation.com/letter_avatar_proxy/v4/letter/a/51bf81/32.png) [@automate](https://forumautomation.com/u/automate)\
**Post date:** [March 10, 2015, 8:38pm UTC](https://forumautomation.com/t/common-interview-questions-entry-level-instrumentation/141/2 "2015-03-10T20:38:35Z")

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**What is the meaning of calibration?**

Calibration is the comparing of device against an equal or better standard.

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**Author:** ![automate](https://forumautomation.com/letter_avatar_proxy/v4/letter/a/51bf81/32.png) [@automate](https://forumautomation.com/u/automate)\
**Post date:** [March 10, 2015, 10:01pm UTC](https://forumautomation.com/t/common-interview-questions-entry-level-instrumentation/141/3 "2015-03-10T22:01:21Z")

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What is the meaning of DEADTIME?

DEAD TIME, is caused when there is time interval between the initiation of some action and the detection of the action

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**Author:** ![Sujit](https://forumautomation.com/user_avatar/forumautomation.com/sujit/32/6757_2.png) [@Sujit](https://forumautomation.com/u/Sujit)\
**Post date:** [April 5, 2018, 4:59pm UTC](https://forumautomation.com/t/common-interview-questions-entry-level-instrumentation/141/4 "2018-04-05T16:59:54Z")

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Kindly share the powerful Answers for above questions?

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**Author:** ![hashirkccec](https://forumautomation.com/letter_avatar_proxy/v4/letter/h/ecb155/32.png) [@hashirkccec](https://forumautomation.com/u/hashirkccec)\
**Post date:** [December 17, 2020, 9:44am UTC](https://forumautomation.com/t/common-interview-questions-entry-level-instrumentation/141/5 "2020-12-17T09:44:11Z")

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kindly share the answers of the above Questions