Answer / y.kathirvel

the smoke detector is a thing that detects the smoke by intensity variation of that area under control. if any fire occurs there the light intensity on that area decreases. this can be measured my photo metric method.Photometric measurement is based on photodetectors, devices (of several types) that produce an electric signal when exposed to light. Simple applications of this technology include switching luminaires on and off based on ambient light conditions, and light meters, used to measure the total amount of light incident on a point.its o/p will be in mV.

Explain what is meant by the term “FLASH POINT” of liquid?

2 Answers  

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i want know about capillary type LT transmitter installation. we can install any location in between to HP and LP leg?

2 Answers  

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If i have 4 Allen Bradely make RS logix 5000 PLC and for viewing that we are using 4 RS view SCADA for 4 different packages. Now, I will want to view two packages on only one SCADA. Then how i will do it?

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two common seiling liquid used in seal pots are:

1 Answers   Thermax,

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pls any1 sugges me book for plc,dcs & scada..

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What is ALSPA 370 control system

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What is actuator what is motorized control valve?

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control valve in manual/auto mode huntting checked spring tention also it is ok.positioner also good condition & incoming inst air line also constant pr.kindly give us correct answer?

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What is the difference between PLC and DCS?

3 Answers  

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