Instrumentation Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Instrumentation Interview Questions

Questions Answers Views Company eMail

whatis diference between zero pressure and obsolute pressure

ABB,

1 5959

whats the diff b/w zero pressure and obsolute pressure

4 9899

what happens when the profibus fails while in operation (operation of a valve)?

L&T,

5 12882

what is the difference between signal cable and ontrol cable?

Essar,

14 65772

thru which signal does µP communicate with memory

3 6845

What is the difference between HMI and SCADA and MMI

4 15224

What is the difference between HMI,SCADA and MMI,not abbrevation?

HCL,

7 40457

what are the documents(Construction point of view for a process plant) submitted by contactor initially entering in to new site for client?

NTPC, PSU,

2181

how checking is done in fiber optic cable? explain the working of RTU?

PSU,

5 16222

Difine flashing , Cavitaion & Noise? how to minimize these effects

L&T,

3 9178

what is skin type thermocouple? how it is installed? what is the difference b/w thermocouple & skin type thermocouple? what is gounded & non-grounded thermocoplle? what is the diff b/w these two?

KazStroy Engineering, PSU,

2 28453

How Honeywell FSC is functioning and what is its purpose? Can we bypasa it and only use DCS instead of that.

3 8917

What is diffrence between Transducer and Transmitter?

Ford,

13 27928

What is the syllabus for Instrumentation Engineers, who wish to join the Public Sector Units??

1 3659

I am pujita completed Electronics and Instrumentation Engineering.As a fresher i am going to attend the interviews.Could anybody guide the topics/questions covered mostly in interviews.

11 23878

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Un-Answered Questions { Instrumentation }

can we copy the software from a transmitter using hht(hart 275) ?

2077

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

1879

What is three element drum level control system why its better than single element?

2569

Explain about safety integrated level protection? . How it was differ from other protections ?

1746

in sulfur process what is material of impulse line we use to connect with transmitter ? and does teflon affected by sulfur?

2270

how to change measuring units from mmwc to cubm/h in rosemount air flow transmitter with hart communicator fluke 744

2393

What is exact difference between the panel earthing and system earthing in DCS system. What is the value of resistence.

2665

How ejector(or)evactor air pump is working in thermal power plant?

6614

I want to apply for the universities in US,but i got the GRE score of (650+300=950)TOEFL 69/120.Is this score sufficient for applying universities please i am married i need to go to US because my husband didn't get H1 yet.please send me suggestion

1872

why direct mounted pressure transmitters is always installed with DBB ( double bleed block) valve in process line or top of the tanks ?

2055

key phaser where is use and work

1976

how does we calibrate a square root flow transmitter ,give an example and explain it step by step like range calculation , calibration hook up series connection , zero check , and how to apply pressure , and if not geting proportional output then what should we do ?

5673

WHAT IS TMXT IN TEMPERATURE FOUNDATION FIELDBUS.

2316

what is isloted barrier how it works and what are the main purpose.how it make safe area.

2132

What are different types of cable?

1091

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