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Instrumentation Interview Preparation Guide

Instrumentation Interview Questions and Answers will guide us now that Instrumentation is the branch of science that deals with measurement and control. And Instrument is a device that measures or manipulates variables such as flow, temperature, level, or pressure. Instruments include many varied contrivances which can be as simple as valves and transmitters, and as complex as analyzers. Learn more about Instrumentation or get preparation of Instrumentation Jobs Interview with this Guide.

55 Instrumentation Questions and Answers:

1. Create a Push button
2. Connect a Counter series to PB
3. Create a compare button
4. Initialize 1 at one end
5. Counter output in another
6. Connect the Coil which has to be energized
7. Initialize 2 at one end
8. Counter output in another
9. Connect the Coil which has to be reenergized.

Is This Answer Correct? 1140 Yes 31 No

Remote mount with MTA means MTA connector for mounting remote connection.
MTA is the Connector used for connection. Generally we called it MTA Connector.
There are many types of MTA connector such as MTA 100connectors, Mta 156 connectors etc.

Is This Answer Correct? 467 Yes 12 No

Generally in a transistor some amount of voltage is required for turning it on. This voltage is the cut in voltage. Up to this voltage the exists a nonlinearity in its characteristics. Beyond this cut in voltage the char. of transistor is linear. This nonlinear region lays between 0-4ma, beyond 4ma it linear. This is why 4-20 ma range is used.

Is This Answer Correct? 946 Yes 72 No

Control valve can not be without positioner. The purpose of the positioner is to control the control valve stroke so as to keep the valve in desired position. The positioner receives signal from the controller, and send the boosted signal to the actuator to reach the desired position as and when the valve reaches the desired position the positioner cuts the boosted signal to the actuator and keeps the position.

Is This Answer Correct? 779 Yes 35 No

Instrumentation can be used to measure certain field parameters (physical values):

These measured values include:

* pressure, either differential or static
* flow
* temperature – Temperature_measurement
* level – Level Measurement
* density
* viscosity
* radiation
* current
* voltage
* inductance
* capacitance
* frequency
* resistivity
* conductivity
* chemical composition
* chemical properties
* various physical properties

Is This Answer Correct? 685 Yes 5 No

In addition to measuring field parameters, instrumentation is also responsible for providing the ability to modify some field parameters.

Some examples include:
Device Field Parameter(s)
Valve Flow, Pressure
Relay Voltage, Current
Solenoid Physical Location, Level
Circuit breaker Voltage, Current

Is This Answer Correct? 336 Yes 5 No

Instrumentation engineering is the engineering specialization focused on the principle and operation of measuring instruments which are used in design and configuration of automated systems in electrical, pneumatic domains etc. They typically work for industries with automated processes, such as chemical or manufacturing plants, with the goal of improving system productivity, reliability, safety, optimization and stability.

Is This Answer Correct? 253 Yes 6 No

Instrumentation technologists, technicians and mechanics specialize in troubleshooting and repairing instruments and instrumentation systems. This trade is so intertwined with electricians, pipefitters, power engineers, and engineering companies, that one can find him/herself in extremely diverse working situations. An over-arching term, “Instrument Fitter” is often used to describe people in this field, regardless of any specialization. oo nga.

Is This Answer Correct? 181 Yes 1 No

If we have more I/o’s in digital signals than analogue signals normally we choose DCS. and vice versa.

Is This Answer Correct? 520 Yes 51 No

In closed tank, bottom of the tank is connected to the high pressure side of the transmitter. Top of tank is connected to the lower pressure side of the transmitter. In this way vessel pressure can be measured.

Is This Answer Correct? 545 Yes 5 No

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