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ABB Instrumentation Interview Questions
Questions Answers Views Company eMail

WHAT IS THE DIFFERENCE BETWEEN PLC AND DCS

55 89206

WHAT ARE MAIN DIFFERENCE BETWEEN DCS AND SCADA?

7 21807

what is difference between modbus & fieldbus

1 20622

whatis diference between zero pressure and obsolute pressure

1 3463

How to Calibrate Penumatic Transmitter.LRV= -60 URV= -20.Can u give me Answer.

9 13715





why bevelling is done in an orifice ?

4 5645

explain the working of Coriolis Flowmeter.

2 6598

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

2 8147

relation between flow and differential pressure.

7 24562

any questions on motor and energy conversions machines?

914

Explain the working principle of variable frequency drive?

2139

which processor is used in dcs.

914

I have one DP transmitter of range 0-500mmWC i have to calculate its range in M3/hr for flow measurement so whats the formula.

4 9648

Why three wire is using with a RTD?

3 8601

d/p flow transmitter LP side give to pressure.what you geting out put ? how you get(ma)?

6 7694

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Un-Answered Questions

What are combiners and its purpose?

89


god evening sir i am studying m.sc(tech)electronics &instrumention.am i elegible to all industies

611


We use MCCB not MCB for motor starters because MCCBs has capablity to drawout the motor starting current which is 5-6 times the full load current of motor for 1sec. Then why we use SDF in starter panel means MCC panels. Pls reply if any one knows this answer.

682


how to fit 3 HP crompton gear motor with conveyor with the use of staring delta starter or ordinary starter?

490


I didn't see any category for Project Management. What are the activities, documents; how to plan, schedule and monitor tasks, statuses, people...?

819






distinguish between price rate and time rate?

746


what is applied botany?

663


11 kV line deraction check by an Engineer.

706


What is Stream Tokenizer?

947


Kindly, tell me abount the WCT of U.P. material & labour supply for installment of lift in premises at Noida (U.P.), our lift supplier giving the bill in 90% material & 10% Labour & charged the up vat of 12.5% , Can we liable for WCT deductor ?

460


what is box type waterproofing and how it is exsiccated and what is the method of doing box type waterproofing

821


Describe the structure of a peptide giving the sequence.

671


write a sql query following table? col1 col2 1 2 1 2 1 2 3 4 3 4 5 6 i want the output like unique duplicate col1 col2 col1 col2 1 2 1 2 3 4 1 2 5 6

1235


How to accelerate electron capture decay?

1051


I have transferred the Plant & machines to our Branch which are located in other state. plz told me how can i show the Machin stk trfr amt in return?

796






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