Answer / tarique

wave lenght detection priniciple

Answer / narendra mishra

Infrared or ultraviolet(IR/UV) energy is emitted from a heated filament in a chamber.when gas is passed through it,a detector measures IR/UV wavelength absorption by the gas which is the property of that gas.this is compared to the reference condition i.e at no absorption.radiation spectrum is limeited to absorption band of gas.

how can we caliberate interface level troll

2 Answers   Grasim, IOCL, KOC, Sankyu,

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If a differential pressure transmitter is calibrated for 0~2500 mmH2o and transmits a 4~20mA dc signal. The transmitter is placed across an orifice plate which is sized to create 2500 mmH2o differential at 5000m3/Hr a) what is the flow rate when the transmitter signal is 13.0mA DC? b) what is the signal output of the transmitter when flow rate is 2500 m3/Hr ?

5 Answers  

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what is difference b/w tube and pipe ?

6 Answers   BSL, Descon, Kirloskar,

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what are the documents(Construction point of view for a process plant) submitted by contactor initially entering in to new site for client?

0 Answers   NTPC, PSU,

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What is difference between scada and virtual instrumentation?

1 Answers  

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What is the difference between Analytical instruments and other instruments?

7 Answers   Schenck,

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how to make a calliberation for deffirential pressure

3 Answers  

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Name and describe at least 4 status indicators, typically found on a PLC

2 Answers  

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what is positive feedback and negative feedback?

2 Answers   CEPC,

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What is impulse line size

3 Answers   IFFCO,

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What is Difference between PLC and CNC ?

2 Answers  

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what is meaning of static pressure

4 Answers   Ambuja,

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