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ABB Instrumentation Interview Questions
Questions Answers Views Company eMail

WHAT IS THE DIFFERENCE BETWEEN PLC AND DCS

55 88668

WHAT ARE MAIN DIFFERENCE BETWEEN DCS AND SCADA?

7 21664

what is difference between modbus & fieldbus

1 20427

whatis diference between zero pressure and obsolute pressure

1 3416

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

9 13582





why bevelling is done in an orifice ?

4 5585

explain the working of Coriolis Flowmeter.

2 6539

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

2 8092

relation between flow and differential pressure.

7 24257

any questions on motor and energy conversions machines?

897

Explain the working principle of variable frequency drive?

2121

which processor is used in dcs.

886

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 9509

Why three wire is using with a RTD?

3 8549

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

6 7577

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Un-Answered Questions

which are the Indian auther books for STONE COLUMN/GRANULAR PILES?

875


 In A* approach evaluation function is a) Heuristic function b) Path cost from start node to current node c) Path cost from start node to current node + Heuristic cost d) Average of Path cost from start node to current node and Heuristic cost

778


how we can calculate power factor in single phase & three phase ?thank u

770


what are the artifacts maintained for resource planing and management

1799


How do you map org. structure?

861






why script is client dependant.

1131


Give me some real time point of way where exactly we can conduct audits?

690


We have a WISPr application making an authentication request to a server running an authentication module. The client application is sending the User--Agent value, but the authentication application logs the User-Agent value as null, please explain the steps i should take to troubleshoot the issue. Please mention the steps by applying your knowledge of the OSI model.

933


why are using ahu?

185


What is Catapult Testing in E-Learning Domain?

3628


What is SAP exit?

821


Distribution transformer we provided 2 separate earthing pit for Body and 2 separate earthing pit for neutral,we can not connect separate body earthing pit to other earthing pit but we do metal glanding in secondary side cable termination in both side, transformer and PCC panel (LT Panel), is this safe for transformer and other equipment?

395


7. What is performance tuning?

790


What are the input documents to 1.Functional testing,2.System testing and 3.Integration testing. Whether there will be separate test cases for regression testing or functional testing?

775


What is a method that attempts to reduce the complexity levels of aging legacy software? 1. Reengineering 2. Regression 3. Restructuring 4. Reusability 5. Reverse engineering

1156






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