Answer Posted / suresh agravat,jamnagar

first close the rootvalve then drain trhough needle velve
then close both LP and HP isolated valve and open equliser
valve

which type of zones used for boiler? & why ?

1812

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what is Best Among SINK Or SOURCE Type Design In Digital Signal, Either Iput Or Output? WHY?Can any one..

2103

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What is defferent betwen ESP &PCP PUMP .HOW IT IS WORK?

2417

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why use 50% lel methane gas concentration for gas detector calibration instead of 60% lel gas concentration whereas the hi alarm set at 60% lel.

2679

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HOW TO CHOOSE FREAQUENCY IN FMCW TYPE RADAR INSTRUMENTS. DESIGN BASIS OR DESIGN CALCULATONS ?

2121

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any body please send me the old question papers of ongc test.

2049

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In turbine what does term CDP, NH, HSSOC means.

1714

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When doing a liquid seal on a differential flow transmitter , most of the time the sealing liquid will be heavier then the process fluid. For wich application will the sealing liquid be lighter than the process fluid if transmitter is mounted below the process line.

1767

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why micro controller 8051/52's clock frequency is internally divide by 12 ?? and why it is further divide by 32 in UART serial communication ??

7456

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how to calculate signal cable sizing? and multipair cable sizing??explain in brief?

2304

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define feed forward control loop with example and drawing?

3150

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What is the use of control cable?

1091

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I am having a Phoenix digital to modbus converter. The o/p of the same is connected to flow computer FB407. But the digital signals are updated only after one minute in the flow computer. what may be the cause of delay in communication? Flow computer is having a scanning period of less than 1 sec.

1833

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need instrumentation job completed 1 year trainee ship in mnc pesticide company. now in search of job

1841

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What is surge and how is it prevented, what is the purpose of bypass valve across AS valve.

1844

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