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 Categories >> Engineering >> Electrical Engineering
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Question Asked @ Answers Views     Select
why the carbon brushes are broken in srim while the motor runningtime    0  31
Explain Need of a starter in a dc motor.? Also explain any two starting and speed control method of dc motor?    0  37
Why to keep capacitor bank off while generator running.    0  38
simple way to find busbar sizes??    1  103
Full form of bdv test?    1  64
How to calculate of maximum demand if given 628kw, 785kva, 0.8 p.f.    0  43
total numbers of earthing of a transformer    1  78
how a generating station can monitor its multi users power factor. What type of incentive /penalty is associated with power factor management.    1  66
I want to merge a between two metering Cubicals which contains CT's and PT's and Energy meter..before taking merger..what are the common things required?    0  32
can the measured percentage error during calibration of single phase energy meter be negative?    0  48
No load tap changing transformer working    0  46
How to calculate the no of Ceiling fan (1200mm sweep) per unit area?    0  53
Which are the types of breakers used in High Tension (HT) side?    1  185
On what basis do you decide the ONAN (Oil Natural air natural) or Dry type transformer for a project?    0  26
1. What are the types of Transformer?    0  62
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Un-Answered Questions
 Question Views   Select
explain comutator action in detail.thanks 379
What is the meaning of utility ground and clean ground? How the distribution panel is grounded? 641
how oil in the MOCB was reduced compared with OCB? what are the features of the MOCB? 1030
what is the abbreviation for F.M In FM-200 fire suppression system 138
what is earth pit , how we can measured it, what earth rods reference 886
A 50Hz,4-pole,3-phase,star-connected synchronous motor has a synchronous reactance of 12ohmsper phase and negligible armature resistances.the excitation is such as to give an open-circuit voltage of 13.2kilovolt.the motor is connected to 115kilovolt, 50hertz supplying. what maximum load can be the motor torque,line current and power factor? 360
How to arrange a hous hold earthing system to keep minimum earth resistance( below 7ohms). 366
Saving in copper achieved by converting a 2 winding transformer in to an auto transformer is determined by A voltage transformation ratio B load on secondary C quality of core material D size of transformer core 697
how we can come to know that motor winding resistance which showing by DMM is right or wrong???is there any chart or something that we will compare & check??? 308
What is the principle of HIGH SPEED DIRECT DRIVE MOTOR ? 458
What is current & voltage ? Voltage perform at any load without current or not? 259
why transmission is only 3 phase and not 2 or 4 or poly phases 510
Draw the vector diagram and condition for the following: 1) Dyn1 2) Ynd0 3) YnYn0 1559
describe the Operation of induction generators from bus bars 577
What are the types of windings present in the ceiling fan? What winding will be effective first when we started the fan?What are the resistance and inductance ratios comparatively at the initial speed and full speed of the fan? 601
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