Answer / nirmal

It functions by having two parallel tubes both containing
gas and heating coils. The gases are examined by comparing
the rate of loss of heat from the heating coils into the
gas. The coils are arranged in a bridge circuit so that
resistance changes due to unequal cooling can be measured.
One channel normally holds a reference gas and the mixture
to be tested is passed through the other channel

In electronic board one fuse(rating 230v,100ma)showing 2.5 ohms with multimeter,then the fuse is healthy or not.

4 Answers  

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Please can anybody help for control valve sizing step by step procedure?

0 Answers  

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any body pl suggest me the best type of transmitter for level monitoring of a distillation still which consists of highly corrosive and inflammable liquid.closed vessel height=5000mm especially in petrochemical industries

1 Answers  

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What are different types of cable?

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a pressure transmitter with a range of 0 to 2500kpag has a specified accuracy of 0.5 % of span.It is to be calibrated using a comparison gauge to have an accuracy of 0.1% of span.The comparison gauge has a range of 0 to 3000kpag What is the accuracy ratio? is this ratio acceptable?

2 Answers  

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What is actuator what is motorized control valve?

5 Answers   Emco,

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what are the problem's will accure in dcs or plc hadware and what are the solution for it?

2 Answers  

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what is output of FOUNDATION FIELD BUS transmitter

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What is Cu-100 and Cu-1000 ? and tell me its application ?

2 Answers  

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DCS marshilling Cabinet Power supply can be replace during plant running time?

1 Answers  

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plz you help about Que paper of mahagenco previous your,any model paper relad to it{maharastra power genration}

0 Answers   MahaGenco,

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what is the difference between the microcontroller and PLC?

9 Answers   HAL, Havells,

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