Please anyone answer my question, what is the difference between single acting and double acting control valve, in what condition we better choose single acting rather than double acting

2 Answers  

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POSSITIVE PULSE IS APPLIED TO AN INVERTER INPUT.THE TIME FROM THE LEADING EDGE OF THE INPUT TO THE LEADING EDGE OF THE OUTPUT IS 10 ns. THE TIME FROM THE TRAILING EDGE OF THE INPUT TO THE TRYLING EDGE OF THE OUTPUT IS 8 ns. WHAT ARE THE VALUES OF tPLH and tPHL?

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in rotark mov in display err msg showing how to remove the error

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how many type of plug are used in pneumatic control valve,name them.

2 Answers   Godrej,

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1. How many output signals do wew have in process control? 2. Could you write down the names of the pre-commissioning and commissioning stage test instruments and explain them (more than 5 items)? 3. What is the first step to commission a transmitter on service? 4. What is RTD? 5. Find the output value in MA of a temperature transmitter (RTD Type) at 120degree celius? 6. What is the O/P signal of a pneumatic transmitter? 7. What is the O/P signal of an elctronic transmitter? 8. What is the close loop and open loon?

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plc trouble shootings?

3 Answers  

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when we are using HART COMMUNICATOR why we are using 250 ohm resistance while using HART COMMUNICATOR.

7 Answers  

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how to calculate density?

2 Answers  

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what's the minimum level required of SIL (safety integrity level)to use fire and gas system?

2 Answers   L&T,

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what is the differnce betweeen hart and smart tx

3 Answers  

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What is the Differance between Graphics And SCADA Graphics? SCADA Graphics have less access?

3 Answers   Honeywell, Thermax,

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i have 80cm water tank.how can i use DPT as level mesurment.pls give specs for that..? We have air comp.from that moisture comeout to one tank.i want to mesure level of water in that tank and then after operat one sov to dicharge water after high level.

1 Answers  

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