| Other Instrumentation Interview Questions |
|| Asked @
|In closed loop control there are several “blocks” used to
show the interactions between the process and the control
system. These blocks are referred to as the “process” and
the “controller.” Describe the relationship between these
two blocks when creating a well tuned control loop.
|Explain the usage of the PLC system?
|How to ensure vibration sensor functioning accordingly.With
out using an other sensor.
|Tell me the field calibration procedure step by step with
diagram of temperature transmitter, temperature indicator,
flow indicator, level indicator, control valve,
thermocouple, pressure indicator (digital & analogue).
|Transmitter reading is zero but in DCS showing one Bar what is the reason ?
|why is honed type flow orifice plate? what purpose it used?
how to select this?
|what is the difference between SMART and tipical transmeter ?
|IF TX SHOWS SLOW RESPONSE, WHILE A CLOSE LOOP AND WHEN
WE PUT THE CONTROLLER ON MANUAL THE PROBLEM RECTIFIED,
SO WE CAN SAY THE PROBLEM IS IN
|what is seebeck effect?
|what is the diffrence between plc&dcs
|What is meant by GAP VOLTAGE, in vibration measurement.
Normally how much GAP VOLTAGE is set and state the reason.
|what is the difference between Feedback controller and Feed
forward controller. and when it is to be used.
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