Engineering Interview Questions
Questions Answers Views Company eMail

What will happened if the neutral of secondary of Xformer ( Star point) Note it's above KVA rated Xformer

Equate,

1415

Why HT motor is connected in Star?

Equate,

3 6338

In india, according to trade theory above 5 HP motor reqired star delta starter. But we R connect 11 KV motor with 14MW in Direct to line ( With VCB starter combination) Can U Guess, How it is possible ?????

Equate,

1603

what is the least count of auto level staff

14 67984

If we have a 2000kva load,How much kvar capacitors we go to add to improve the power factor at 0.9?pls give the calculation and fully theory?

ABB, Unitech,

2 6492

what is the kva rating of 20 kv transformer?

1 4094

how to cancel cable inductance in power supplies without adding any ckt parallel to cable?

2 4882

WHY RATING OF VCB NOT LESS THAN 630A

2034

Why not connect impeller shaft directly to motor shaft bypassing the stuffing box?What is the purpose stuffing box? Is there any pressure on the stuffing box?

2 4184

What is the Flow rate ?

2 6220

draw IRON-CARBON diagram.

TATA,

3486

draw diagram of automobile,its working function,purpose of differential?

1738

Hi, what is the temp of bus bar.

1 3024

How many types of Differential protection are there? and what the special arrangement are made at the time of charging of a transformer on the Differential protection?

1 2125

Why DC exitation to AC Generator? Why not AC?

Equate,

2 5465


Un-Answered Questions { Engineering }

IS THE SAMPLE POINT OF LPG SPHERE TANK PEFOR OR AFTER BUMP?

1601


Define What is the distance between railway tracks?

681


What is the importance of the biasing in transister circuits?

564


Why do we floating DC in DC system.

2384


What is safety of Ht panel

1175






Dear Sir, I work in hydro project. I want to hire Scorpio/ Bolero on monthly basis. But how can i justified its amount (Hourly basic). Please solve my problem

2319


Explain the purpose of riser?

611


WHAT IS MEANT BY TV TERMINAL IN 500MVA TRANSFORMER?

1709


What are the drawbacks of walsh codes?

582


WHAT DO YOU MEAN THE DIFFERENT TYPE OF CURVES OF RELAY LIKE STANDARD INVERSE, VARY INVERSE, NORMAL INVERSE, LONG INVERSE ETC....

1538


I am in India. Employer A got approval for my H1. But they have no job for me now. Company B is going to file H1 for me. They do not know about company A. Is there any way that I get approved H1 of company A transferred to Company B?

1672


What is the difference between earth fault protection of motor feeder with CBCT and Without CBCT ?

2284


what is the difference between electrical and electronic choke?

1472


thermal engg

1620


IF TVM OF TRANSFORMER SHOWS POWER FACTOR ON 33 KV SIDE AS 0.97 LAGGING AND ON 132 KV SIDE IS 0.75 LEADING.IS THIS CORRECT.WHERE IS PROBLEM.

1854