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Engineering Interview Questions
Questions Answers Views Company eMail

What is the percentage of wastage in steel reinforcement n how to control it?

Hiranandani,

3 11307

what is the resistence of human body?

BBC, NTPC,

3 6825

What is the percentage of wastage in cement n how to control it?

Hiranandani,

2 6174

What is the procedure of concealed plumbing in toilets?

Hiranandani,

1878

What is the difference between Encoder and Resolver?

DCCE,

2875

How many No of 4" Bricks Get consumed in 9" thick BB Masonary Wall of 1 cu.m.?

 2 5295

I have doubt that the supply HZ (very low or high than rated ) may affect the power factor. is it true. ?

 1207

Active power= VI COS FI But incase of leading power factor ( more than unity), may we use other formula ? because the cos fi (value of cos thita) should not be grater than one.

 2 5859

In simply words(not explain any formula )what do you mean by power factor.?

DRDO,

5 6193

when did actually oil exploration start

 1432

how do i calculate voltage drop-if length is 1000 meter,amps is 160a

 1 3110

please give the detail design for the soring and shuttering for 8.5m deep excavation in the sandy soil for 25x10 rectangular streaches

 2105

how many type of admixtures for water stored structure?

IVRCL,

1712

When we use PT in HT Panel why the ratio is 11Kv/√3/110v/√3 please explain briefly with suitable formula?

 1 9238

what is the difference between transformer and amplifier ??

 5 8109

Un-Answered Questions { Engineering }

How many kinds of E.L.C.B and how to work E.L.C.B

1592

What is the ideal position cooling fan inside the dc motor?

1636

Explain why do the radiators in your house click when you start the heating system?

647

State thevenin’s theorem?

656

What is the specification of transformer?

599




how to carry out Magnetizing Current Test on Distribution transformer and what purpose we are doing this test. why transformer rating in always in KVA ? what ispositive, negative, zero sequence impedence? How ElCB tripping if Neutral touch with ground Why AC & DC capacitor are use in UPS ? why motor rating in KW? how to syncronize two dg sets

1707

what is the formula for hv test for cable and circuit breaker..????

1525

What are RC and L/R time constants? What is their significance?

1360

what are basic step involved in embedded system software development?

2576

defination of lines

1527

1.dg on load alarm/stop alarm... 2.dg on load. piu alarm alarm kaise chek krte hai

1378

what about SAP/MRP regarding manufacturing of electric motors and all drives?

1568

What are the popular ic packages available?

709

redundant connection in contactor?

2048

Question asked in prototech first round

955

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