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Engineering Interview Questions
Questions Answers Views Company eMail

What is Hi-Pot Test for Grid Station HV Equipments?

Siemens,

2 6960

in one substation we have two power transformers of 100mva,75mva capacity.statoin load is155mva.how much each tranformers share the load????

TNEB Tamil Nadu Electricity Board,

6 9434

what is Dry Leg calibration and where is it used

Petrofac,

1 6546

difference b/w stress and strength

BMS,

3 6330

how we can check of any kitchen exhaust fan

 2 2832

is ac supply can store

 1504

how to count 4 column with two "and" condition in oracle? e.g task_type and cust_type and service_type are 3 column and we hv to count where task_type="new"and cust_type="jdp" and resulting column name will be new cust with jdp..and also we hv to count where task_type="new"and service_type="fs" resulting column name will be new cust with fs..

 1323

what is the formula of calculating number of bars?

Ameyas,

3 7373

Why does the DC voltage needed is less than AC needed to produce corona?

TATA,

2 4186

how to find out spacing inbetween bars instead of 8dia 100c/c to 10dia bars

 5 7244

what are the types of bridges respective to the span ?

1 3736

what is the minimum % of steel use in columns ?

 7 12079

what is mean by oracle?And how it is used?

1412

how much aggregate need for 1:4:8 p.c.c in 1sqm area?

5 9619

how to calculate the change over time for star delta starter for different KW motor?

 3739

Un-Answered Questions { Engineering }

How to calculate VA rating for CT or PT or Control Transformer?

2330

How to calculate cement, water, fly ash amount for 1 cum if the w/c ratio is 0.4 and fly ash to cement ratio is 1:9

1615

we can run 2phase as 3phase .what will be the differnce with respect to phase angle, power, current between the two modes

1604

what is the reset offset and control system in instrumentation

3112

how the testing of protection CT Testing done through Primary injection kit please describe in detail procedure...

1786




what is the purpose of using filters in a protective relaying scheme?

1752

how to calculate the total flow in square root

1738

8000 Liter Water in 80 degree Celsius will generated how many STEAM ?

1131

how to calculate 1:5:8 ratio concrete cement, sand, metal and water please give me brief calculation

1204

why dijkstra algorithm not used for negative weighted edges graph??

1608

hwat type of motor is used in thermal gas turbine hydro nuclear power plants and why

1456

What are the principal constituents of brass?

670

Do you know what is soap?

1

I am using submission of two ct in one and half scheme for 67/67N protection. Both CTs star point is grounded separately near ct box.Will two point ground give wrong tripping to 67/67N during fault or no matter.

1642

Differentiate between static and dynamic resistance of a diode.

1068

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