Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

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Engineering Interview Questions

Questions Answers Views Company eMail

What is done to avoid interference of high frequency transmission lines with communication lines??

4 6002

How does frequency affect KVA rating of a transformer? If a 500 kva, 400 v, 60 hz t/f is to be operated on 50 hz frequency then how will its KVA rating change? a-increase b-decrease c-remains same Also explain why do u think like that.

8 33493

which is the most common harmonics 3rd,5th,7th affect the systegm

4 6774

why usa use 60hz and 110v?

2 5725

can anyone tell me about the basic concepts to consider before to start a PLC panel wiring

ABB,

1948

Hiii.. i have applied for steel plant management trainee 2010 exam for stream mechanical... the pattern of the exam has changed.. a preliminary exam which consists of the engineering basics... can any one suggest any book for this... kindly respond to this...

1836

i am preparing for vsp management trainee technical 2010.can any one send me modelpapers of preliminary written test.

1958

what is the base of telephone?

1 4340

How many straight through joint is permissible in single core 33kv XLPE cable for a length of 985 mtr.

DMRC,

3 9216

what is corona effect

3 5571

how to calculate the density of cement and how can we convert no. of Kgs of cement to Metric tonnes??

2 16995

what are the layers of the national and heir aprox thickness??

2149

why there was 17 stage of compressor in the most of the gas turbine . depending on what?

TATA,

2094

what is the meaning of "i.p.-43" and duty cycle-s1 on the name plate of a asynchronous machine?

1 5364

what is the use of conservator in a transformer?

L&T, TATA, Tata Motors,

6 25565

Un-Answered Questions { Engineering }

standard earthing rating for power line..

2132

how many joints are allowed in underground HT cable of 1 KM

1881

explain with diagram how to protect transformers and substations from over current with help of CT's?

1968

How I calculate the ELCB for circuit breakers?

2186

Tell me what is french seam?

Explain how does a signal differ from a wave?

1004

Dear concern Plz provide me the solved papers of Railway section engineer in signal...

1892

Describe a methodology each for the tire sizing and design of retraction system with respect to landing gear of an aircraft?

1156

What is meant by duty-cycle?

1110

How is propeller fitted in shaft?

1935

skrtch and discuss an optical pyrometer. hoe is its accuracy improved? also state why this instrument cannot be used in temperture control system.

2451

what effects a surging can produce in the compressor

1923

Why the magneti fields are not passes from southpole to north pole

2134

how u select control transformer for a mccb panels or any panels?for expample we hav 440 volts maim supply and control volts is 230v?

2173

Currently my house construction is going on but we just realized that the portico earth beam couldn't connect with the original earth because the beam rod not extended so Please advice

2652

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