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

Instrumentation Interview Questions

Questions Answers Views Company eMail

What is the Differance between Graphics And SCADA Graphics? SCADA Graphics have less access?

Honeywell, Thermax,

3 9277

what is the difference between auto tuning and manual tuning of controllers(eg:PID,PI,PD CONTROLLERS )

GATE,

2 12281

Why hunting will occour in control valve?

6 47140

what is meant by Valve reversibility?

2 5481

what is meant by turn down ratio?

Avant Garde,

3 11704

what is IPS (instrument protective system)?

2 14564

how to calibrate control valves & power cylinders & ultra sonic level transmitters

ABB,

2128

how to know power plant process with corresbonding laws&thoeries

Bhel,

1 5782

for indiacation of turbine(china) bearing temperature what type of sensor will be used(i.e. rtd or thermocouple or themister ) ? why it is ? i need clear explanation ?

2 6237

I want measure the volumetric flow of gas in waste heat recovery Boiler?Tell me how and which type of instruments required. Plz mail me:naba02222@gmail.com Sam please post the answer .

1969

Why all the drains(Gland sealing,ESV,Casing inlet etc) are directly connected to the flash tank instead of hotwell of the condensor in the power plant? My Email Id:naba02222@gmail.com

ABB, Jindal,

2287

define SIMULATION a and what is the need of it

Siemens,

3 9096

define COMPENSATION??

Bosch,

4 8533

what is radar type level transmitters and its basic principle and how to calibrate it

ABB, Inovonz,

4 20743

Can combine control system for Emergency control system (ESD)and Fire & Gas System ( F & G) is possble to built and offer to client? Can such system is as per Norms in India?

1988

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Un-Answered Questions { Instrumentation }

How the warning lamp of a charging-system is activated ?

2638

What is motion balance principle?

1181

in which principle pressure tx,level tx ,flow tx,temp tx ,control valve works?

3179

what is dc moter.

2227

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

6614

How is automatic reference junction compensation carried out in temperature recorders?

1095

sir, i preparing hpcl,ongc,barc,hal exams(instrumentation engg)pls send a placement papers

2329

we are using centum vp as monitoring with Dell precision work station T3600 but some times PC(s) are restarted automatically . how we can solve this problem? thanks

2178

protection relay watchdog contact operation?

1959

How to calibrate Toxic gas detector?

1715

Whether the DI, DOs shields can be connected with Analog Input Shield Earthpit?

1990

How to do gas analysers calibration in AUTO and Manually by using zero and span gas?

2346

Please any one can provide latest aptitude test,technical test and interview questions for tata consulting engineering (TCE) i need it asap thanks in advance

2030

If relative y axis vibration sensor is by passed, and relative x axis and absolute sensor is left working. how much monitoring i would have risked?

1463

How the sizing of the analog signal cable is calculate?

2528

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