Explain how to calculate knee point voltage? Describe its purpose for differential protection.

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Dear All,I have RRB exam on 19th dec Plz send me the Last 5 years RRB Q&A of Electronics & communication Dept to mail id sham28sharieff@gmail.com.. please frnds if u do have the Q&A.. Plz send it..

0 Answers   RRB,

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HI IN A MICROWAVE HOP THERE IS A SITE EXAMPLE(A &B).......IN A SIDE I AM GETTING RECEIVING LEVEL 45 AND B SIDE I AM GETTING 55 ...WHAT WIL BE THE PROBLEM..... SUCH QUESTION ASK FROM HUAWEI........THEY TOLD NO RADIO PROBLEM,NO LOS,NO FEEDON PROBLEM.I NEED A EXACT ANSWER......

2 Answers   Huawei, Rembam Telecom,

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what do you meam by analog instruments? give one example.

2 Answers   Siemens,

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what is the main part of UPS?

1 Answers  

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Define what is a high-pass filter?

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When we trim a resistor, we are A Making a fine adjustment B Reducing its value C Increasing its value D Making a coarse adjustment

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1.Introduce yourself by telling your name ,SSC,HSC, degree marks n colleges,something about your family and interests. 2.Tell about your favourite subjects. 3.Tell how satelite communication works? 4.what you mean by handoffs in mobile communication.tel its types. 5.what you mean by signal fading?tell the factors affecting it and also tell the remedies to avoid it. 6.why the microwaves are used? 7.Draw the GSM architecture? 8.What u mean by Antenna?What are its basic components? 9.why you are interested to work in this company? 10.can you work anywhere anytime as per the our need?

0 Answers   NSN,

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Explain find conductivity, resistivity and resistance?

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how many maximum signaling link can be created between two gsm switches and why?

0 Answers   Ericsson,

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why cant dc is transferd from one place to another place as ac?

2 Answers  

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On what topic questions are asked?

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