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ABB Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what is the major difference between LIBBP & HIBBP.. which one is most preferable..

1027

When we synchronize the Generator BKR with TIE BKR then Gen BKR is hold but TIE BKR is Tripped on Non directional over current but when TIE BKR is Syn. with Gen. BKR then no fault occur so what is the problem

1 1349

What Normal(Tangent) towers and Tension(Cut-point) Towers?

1 2559

what is the calculation of current when a clampmeter is attached to two phases of any drives.

3 2859

difference bewteen reverse current and alternating current

834





why transformer rating is in KVA?

4 4390

difference b/w series¶llel

4 3777

You are given 220 V supply source, four wires, an ammeter and voltmeter. There is no any indication or description on meters. How will you identify which is ammeter or voltmeter?

7 5686

what is mean by dual digital protection in the relay field?

715

how to improve IR value in HT motors?

3 10456

why secondary terminal of current transformer should not be open circuited?

4 6531

why characteristics of overcurrent relay is time-->psm instead of time-->current?

805

how much mininmum length required to conduct a DC Hipot Test on 33kV AC Cable with 45kV DC? Is it 20meter or Less then 20?

811

In star delta Schematic can we connect OLR in delta circuit

2 4080

Why NGR is required for 11Kv geneartor in power plant

2 12559

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Un-Answered Questions

What does it mean by Restart and Checkpoint in JCL ? How are checkpoints being taken and what is their usage ? How to use Checkpoint macro on a JOBSTEP ?

7360


HOW CREATED LP & HP PRESURES IN DRUM FOR DRUM LEVEL MEASUREMENT!

673


HTML tag for bulleted list is--------------

717


WHAT IS THE ELLIGIBILITY FOR ADMISSIONS IN NITS

608


I want to calculate how much capacitor we connect to maintain the unity power factor? Is there any formula? Pls give me the answer

657






can 25mm thik and 8.5x8.5 size cast iron plate can bear a weight of 250 tons if it can what would be the compostion

587


explain the 5 types test matrics?

991


Hi I have done my B.Sc computers and my query is that do i have to compulsory write GRE or TOFEL to study in US. Please let me whether I am eligibly for GRE or TOFEL with B.Sc computers.... Regards Kamal

984


How to get the OR SAP discriptive program by using RFT.

1888


what is pmrep command?

9630


A length of steel pipe is used to carry sea water to a desalination plant. An adequate corrosion allowance must be specified and indicated in the piping specification, which affects the _________________________ of the pipe

1007


iam doing my final year graduation in physics i got placed as an assistant engineer for the job band INFRASTRUCTURE MANAGEMENT SERVICE(IMS)i want to know what type of job is tat and i also want to know about the technical knowledge for the job

926


To find the date difference & excude saturday & sunday in between them

820


how much LT load can bear by the 100 KW HT connection.

809


Why we have to do manual testing?

373






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