Answer / sandip patel

The shrink/swell effect is caused by small pressure changes causing bubbles in the tubes to reduce (shrink) or increase (swell) as a result of small changes in pressure - so that the mixture of steam and water in the tubes remains at the saturation temperature for the pressure at each location

how to calibrate a capillary type level transmitter for a closed tank in field? also what is the procedure for commissioning a capillary level transmitter for a closed tank?

2 Answers  

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when an eddy current probe is installed inside of a turbine or compressor in case of probe problem same as:crash of head of probe,changing the scale factor because of low measuring gap(physical gap is ok(example=1.14mm)but voltage is reduced(example=-6 volts),is any way to check the probe,when the ohm of probe is ok.thank you,(Karim Tavakoli)

1 Answers  

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in valve is constructed as per SME B 16.34, then which standard is used for fire testing of valve?.

0 Answers  

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Draw a wheatstone bridge circuit showing supply, meter and 3 wire RTD connection

0 Answers   CCIE,

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Is there any relation between Artificial Intelligence and Instrumentation?

0 Answers  

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What is upsampling and downsampling?

1 Answers  

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what is the importance of CV in the control valves? how it is calculated?

0 Answers  

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i have D.p. transmitter of range 0 to 2540 mmWC, i want to use this for flow measurement (0 to 500 ltr/hr.) what should i do?

9 Answers  

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For 150 mtr cable run from DCS panel to transmitter (24 VDC with 4-20 ma output), need cable size. 1.5 sqmm is suitable?

2 Answers   NA,

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ORP sensor working principle?

0 Answers   Tata Steel Limited,

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how the 2.5bar pressure able to control the 40bar steam

8 Answers   IBM, PAFL, Thirumalai Chemicals,

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send me last 5 years questions asked in rrb chennai, for section engineer

0 Answers   RRB,

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