How much voltage we are using at switches?

Question Posted / prasanna

4 Answers
6160 Views
Edac, I also Faced
E-Mail Answers

Answers were Sorted based on User's Feedback

How much voltage we are using at switches?..

Answer / kranti1986

It depend on the spec of the switch. Normally 24 v ac/ dc, 110 vac/dc, 230 v ac/ dc

Is This Answer Correct ?

5 Yes

0 No

How much voltage we are using at switches?..

Answer / shakilimran

24v DC

Is This Answer Correct ?

5 Yes

1 No

How much voltage we are using at switches?..

Answer / santoshsapan25

We have generally used 24 V DC only. If any special requirements than see technical specification / tag plate

Is This Answer Correct ?

2 Yes

0 No

How much voltage we are using at switches?..

Answer / shakil

24V DC

Is This Answer Correct ?

2 Yes

1 No

Post New Answer

More Instrumentation Interview Questions

What is pipe schedule? What are all effects its having in the valve? how do we take care of pipe sch in case if the customer dint specify in the data sheet. What we need assume and in what basis?

3 Answers

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?

4 Answers

what is difference between DO and DI

6 Answers

An RTD is a_________________________.it works as follows

2 Answers

explain Cascade Control strategy with the help of a block diagram. also exlain its working in a distillation column

2 Answers ABB, Sabic,

What is sensitivity in vibration probes..?

0 Answers Lanco,

suppose in dcs range of a flow transmitter is 10t/hr what is dp for 50% in 2500mmwc

6 Answers Chevron,

what is the approximate cost of U tube manometer having range 1000mmwc to 1000mmwc?

1 Answers

Can anybody explain about wellhead control system.

1 Answers

When doing a liquid seal on a differential flow transmitter , most of the time the sealing liquid will be heavier then the process fluid. For wich application will the sealing liquid be lighter than the process fluid if transmitter is mounted below the process line.

0 Answers Chevron,

What is the live zero and dead zero

2 Answers Samsung,

Is it possible to convert 4 wire transmitter to convert to 2 wire with additional relay.Please send detial with drawing,i will appreciate.

2 Answers

For more Instrumentation Interview Questions Click Here