Answer Posted / hamsini

PLC means programmable logic controller. it has internal
storage memory whichis used to store the logic. PLC is used
to control and monitor the machines on factory. it recieves
the i/p form filed(sensors) and this this input is processed
by central logic unit.and finally produce the output via
output device (actuator)

What is loop1 and loop2 in MTS LT?

3776

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1- Explain about HPM 2- What is the FSC and explain the configuration of FSC 3- explain the complete loop of vibration, how it works (field to control room) 4- What is the use of proxymitter? 5- During job your partner effected with H2S then what you have to do. 6- what type of gland packing uses when valve glind is leaking.

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Explain Gas Turbine startup and shutdown sequences

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How an rtd work, and what volts/current goes to a rtd to measure the resistance?

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How to fix back the valve actuator stem

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How will you calibrate an Absolute Pr.Transmitter of range 400mmHg absolute ?

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Questions on flow meters,few questions on HART protocol,

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centrifugal compressor interlock? Tell me the parameter at which compressor will trip

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How to erection of DCS Panel at site step by step

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

3107

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I have a Control VAlve having size of 2 ".Only the known parameter is Pressure drop . Its 2 Kg. Then How to calculate control valve sizing means Cv.

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Explain operation of Haskel pump.

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Please send me the sample question of Instrumentation of hpcl/iocl exam. my mail id hihi_kiholo@rediffmail.com

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

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what are the selections available in configuring a burnout protection of a controller? thanks

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