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Engineering Interview Questions
Questions Answers Views Company eMail

How do you maintain the batteries for generators, what is the daily maintenance of a generator?

Jindal,

2 11299

Do you know how to maintain a generator, if so what are those maintenances?

4 10136

Do you know how to connect a motor of different H.Ps?

5 11138

What accessories required to give the motor with given circuits and do you know the ratings of those accessories?

Hyundai, TCS,

4 25597

Do you know the alignment of a motor?

Reliance,

8 13819

Do you know the overhauling of a motor?

EdCET, Mecon,

12 52585

Do you know the faults occurs generally in motors and how to rectify them?

4 11030

How you take care of a motor from over loading and what are the different overloading ratings of different motors?

4 8207

Do you know how to joint the H.T and L.T Cables?

KESC, MGVCL, Nokia, Oil Country Tubular, Power Control, SAGT, Siemens, Simco, Vivek Engineers,

23 53361

Why a starter is used for a motor?

L&T, Nilachal Polytechnic,

50 126707

What are the starting currents of different motors and also what are the running currents, and idle currents?

6 10946

What are the tests to be taken on a transformer and generator?

Honeywell,

12 35109

What meant by lagging and leading? When if they are occurred what preventive methods should be taken?

ABB, L&T,

14 47791

What loads the lagging and leading effects comes in a circuit?

5 10731

What is meant by Resonance what are the different types of resonance and what are uses of them?

Infosys, NTPC,

14 41955


Un-Answered Questions { Engineering }

How seriving & testing of the HT & LT breakers are done. What are the standard Ir values on which we can come to know the test is passed or failed?

1229


If the earth is a good conductor of electricity, why don't people get shocked every time they walking on earth?

1107


explain how do seamless pipes looks like and when they r used?

2575


What is volumatric air change of a HOT GAS GENERATOR of a STEAM BOILER ?

1494


what will be happen if earth point is being used for as a neutral point for raw power , and same will be used for ups earthing

1418






What is steaming?

1


Which is the direction for positive angle?

515


what is interface level and how it is calibrate?

1589


234 MVA Generator 3 phase Short circuit current Values required? Gen set Rating-234 MVA, Gen Voltage-18kv, PF;0.8, Xdv:23.5 %, Transformer Rating-18/380KV, 680MVA,Yndd1 two winding, Step up TR, ZT:35.50 %,X/R 4.33 Gen CB Position, CB open ,Disconnected open, Generator Running Voltage 18 Kv, Bi mistakes generator side earth switch Closed during that time short circuit current level in 3 Phase required, and how to test on site 234MVA Generator Short circuit current,

1355


5- What is the task (function) of the excitation and isolation transformers in power plant? 6- What is the task (function) of LCI (A), LCI (B) and LCI (COS) in power plant? : LCI (A) and LCI(B) are load commutating inverter for generator turbine starting. , LCI (COS) is load commutating inverter change over switch

3132


how we calculate the vol.of wet concrete..?

1216


What is the difference between built area and super built up area?

500


Dry type transformers

1194


how to commissioning the genset with amf panel?

1691


i have some screw comprressor with 630kw power,i have established them with simple star to delta circuit,by the way there is so much inertia when the screw comprressors start, can you offer me contactors power with 400vac or any cataluge to choose the contactors

1158