Instrumentation Interview Questions
Questions Answers Views Company eMail

whats the working principle of level transmeter?

6 45443

Can Any body tell me how to check Modbus Settings in ER300N L&T trivector meter?

2048

what is meant by control valve sizing?

3 7800

Basically iam Instruemntation Engineer, but Iam interested in Instruments design engineering, so plz guide, is there any course, training or Softwres to become Instrument design engineer??.

Honeywell, Tata Steel Limited,

1579

how can you change unit of totalizer in siemens mag 5000 flow meter?

PowerTech,

2 8771

What is the SCAN time of a DCS/PLC? What is the typical value for scan time of DCS and PLC?

Essar, Gasco, Siemens,

6 49315

How to carry out hot loop checking of closed loop pf temperature control valve & temperature transmitter?

2 8940

what is Mv with respect to temprature in thermocouple

2 4683

what is difference b/w the solinoid volve and autodrain?

3 5627

can any one help me to get bel probational engineers sample question papers. I have applied for it.

1575

what is hart communicater? can u give brief explanation about this issue?

3 7304

How to isolate a DPT from line in the condition that process must not be disturbed,and process is also critical and no bypass is available.?

Descon,

4 9494

how to calibrate steam control valve in steam turbine

2826

how to calculate flow range in DP tx

Karnataka Power,

1 5767

if i change range of flow transmitter in th field then does it need to change range in dcs?

3 7261


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Un-Answered Questions { Instrumentation }

Define the difference between a stable versus an unstable controlled system and some of the tools you might use to be able to detect when this is happening and assumptions used for control system application design that could contribute to instability

1395


what is performance test.need defination

1282


why we are using digital signals for I/O & how to measure this signals is getting or not ?

1544


Calibration procedure for electro magnetic flow meter

1539


what is droop in governer ,type of droop ,how it work

1770






How many interlocks at turbine side?

1437


how works encoder in plc

1593


Which tank weighing system is better to install (Accuracy point of view) 1) Tank weighing system with 3 load cell or 2) Tank weighing system with 4 Load cell

745


how to calibrate 0- 150 psi presure gauge by dead weght tester

1495


what is the responsibility of an instrument commissioning supervisor

2647


What is the function of solenoid valve in on/off & shutdown valve and why it is not used in control valve normally?

1516


List three types Level Switches with their working principles

1626


i am having information technology branh ....... can i prepare for psu exam

1739


how u calibrate pneumatic n motorized c/v?

1536


What is the working principle of the magnetic meter?

631