Answer Posted / hussain attaria

The function of commutator in D.C. motor is to convert A.C.
into D.C. The Armature of D.C. motor generates A.C.
voltages, which is converted into Unidirectional form
through commutator.

how to measure the transformer resistance values(dyn11)?and howmuch the minimum value?

2135

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Why frame of the motor is specified?. If we mention KW and voltage level,automatically frame is decided or separately frame is compulsory to mention?.

1728

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Swg formulae

2019

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IF ANYONE HAVE ANY QUESTION ASK ME AT MY MAIL anmol.bhardwaj5@gmail.com

2087

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If the line voltage is reduced to 75% of its rated value then by what percentage current will reduce ?? 75% 25% 50% no change and why ?

2193

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How many types of interlocking use in screw type air compressor,make-Kaser(BSD MODEL)?

2106

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sir, I am from EEE branch.On feb 17 iam going to write an Exam for hindustan petrolium corporation Ltd.So plz send me the written exam pattern/Q's/interview questions.please mail to eee_dharmendra@yahoo.com

1835

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full form of electrical?

2710

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how to select the mpcbs and contactor for 3 phase 30 hp star delta motors.for plc control.and tell me the calaculation for future use.

1967

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who can measure the size of power cable?

2156

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What is Faraday's law

1506

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do we use neutral grounding for resistive balanced load? if we use what happen?

1793

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i have flexible wire. size of conductors is 0.190 mm & no.of conductors are 48. then size of wire comes 1.37 sqmm instead of 1.5 sqmm . the what is tolerance for this size.

1789

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3 phase Motor will be given 2 phase after 2 to 5 second we given 3rd phase so Motor Run sum-time in forward or sum time run reverse direction. All time phase sequence is not change. Why motor run in reverse direction? Please Explain........

1956

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from which subjects most of the technical que will b asked for hpcl(electrical).pls help me

1998

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