Engineering Interview Questions
Questions Answers Views Company eMail

What is the use of center punch?

52

Name the gauges?

64

What is the difference between air conditioning and refrigeration?

60




Name any four commonly used refrigerants.

59

What is the chemical composition of ceramics?

48

How does iron and steel exhibit allotropy?

41

What is heat treatment?

49

What is the melting point of brass?

45

Which liquid can dissolve gold?

54

Explain proeutectoid ferrite

49

What are the effects of recrystallization of metals on alloying?

51

What is thermodynamic state of metal?

49

What is the atomic density of ceramics?

53

Why post-heating is done in alloy steel welding?

54

Are all metals heavy? Explain.

51







Un-Answered Questions { Engineering }

I have one ct of ratio 3000-2000/1 Amp its knee point voltage mentioned on name plate is 500-333/30mA-50mA at Vk/2. in secondary box there is three terminal named 1S1, 1S2, 1S3 then on which terminal obtained the knee point voltage ie 1S1-1S2 OR 1S1-1S3 & also specify the knee point voltage for the ratio 3000 from name plate.

1260


Does outdoor isolator loose connection cause short circuit current in that circuit? if yes then how ??

596


we have earthmat at 110KV substation.we would like to take earth resistance.b some says that by connecting earth megger terminals (C1,P1) at middile point of earthmat (at riser) will cause voltage gradient at other earthmat nods and dont get exat earth resistance.when connecting at end nods will get exat value . is it correct .please explain

1065


Any idea of BSNL, JTO paper?

1006


I have got a call of IOCL interview for projects having 2yrs experience. What sort of questions should I expect in the interview?

1146






If two Transformers are connected in parallel having impedance of 50KA in both transformers will the impedance increase or decrease after connecting transformers in parallel?

941


plz post the ne questions for electronics engg interview

1031


What is the purpose of ventilation in the battery room?

959


What is the percentage loss for aluminium wire for HT line more than 11KVa

1088


What is three element drum level control system why its better than single element?

1397


What is hard switching of the thyristor?

63


What is coaxing ?

55


Define corner frequency?

54


How to caliculate the boil up rate, dia and height in both packed and tray distillation columns and any referance books for the design.

6909


what is the procedure for auto tune in masoneialn 12300 series displacer type transmitter?

656