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Engineering Interview Questions
Questions Answers Views Company eMail

how to reduce earth resistance in sandy soil.

1 3164

in the flow caluclation k value how to caluclate.mass flow & volum flow.

 1 3887

How do i carry out or know the vector group of a Dyn1 and Dyn5 transformer

 1547

what is difference b/w watt loss and watt full devices. what is watt loss and watt full devices?

 1797

1.what is the difference between transformer differential and busbar differential.2)why we are using 2 slope for trafo diif and 1 slope for busbar diff.3)what is the purpose of metrosil and stabilizing resistor in high impedance relay circuit.4)how metrosil reduce the peak volage.5)what is the funtion of stabilizing resistor

 4262

what is quality factor in series resonance circuit and calculate the factor of voltage magnification? how it happens?

BARC,

1485

how to change the load sharing between two synchronized identical alternators when both are running with Diesel engine? assume both are feeding to same feeder?

BARC,

1 2742

What happen when ct secondary are open circuited? why same thing is not happen in ordinary transformer?

BARC,

3 6718

difference between over current and over load protection?

BARC,

5 13200

explain working of differential protection for a transformer?

BARC,

1 3217

derive DC RMS value for half wave rectifier?

BARC,

2705

why can't we use 5-20mA standard or some other instead of 4- 20mA?

Emerson,

6 13160

By just seeing a transmission tower, how can we knew the voltage it carries..?[110kv, 220kv, 400kv...]???

KSEB,

5 7496

Which language of programing is popular? how can i learn it ?

 1702

what do you mean by cl PS CTs? What are technical details required for it's manufacturing?

 1 3434

Un-Answered Questions { Engineering }

Why do we need a separate control desk & PLC control panel in Boiler plant or coal handling plant? Can we provide cost effective Control desk cum PLC panel. Is there is an specific need for control desk.. kindly advice.

1860

How does a television work?

1794

what is the differebt between ac and dc fuse?

1857

I HAVE A 50A MCCB AS PER DESIGN LINE WIRE CONNECT UPWORD SIDE AND LOAD IS CONNECTED TO DOWNWARD SIDE TO THE MCCB.IF NOW ANY ONE CHANGE SUPPLY & LOAD(WISEVERSA) WHAT HAPPENS ? DOES MCCB OPERATION OR WORKING FUNCTION NORMAL IF YES THAN WHY THERE ARE MARKED LINE & LOAD ON MCCB.

1918

What is rate for brick masonry work of 1.0 m3 in cm 1:6?

733




how copper and aluminium wires or cables are choose for current rating? please provide copper and aluminium wire selection chart for different current rating ?

1568

What losses occur in a thyristor during working conditions?

798

What is the minimum rating availalbe for weld neck orifice in market?

1544

can i connect the two phases of scott connected transformer,if not why?

1505

Always declare destructors to be virtual"?????? why this is so needed?????

1504

• Which is the latest one?

1601

Explain how the lubricating oil circulates in a diesel engine.

1316

State at least three objectives of Aerodynamics?

657

What is stepper motor?

719

please send me latest & previous years question papers for IOCL Technical level questions

1403

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