| Other Electrical Engineering Interview Questions |
| |
| Question | Asked @ | Answers |
| |
| As per IS why should the control be taken only from R
phase, why not from B or Y phase??!! | | 1 |
| What is technical difference between ELCB & ELMCB? | | 2 |
| If single phase voltage level is 230V than why three phase
voltage level is not 660V ?, but it is only 440V. | | 3 |
| How much RPM in Turbocharger in Diesel engine. | | 3 |
| What accessories required to give the motor with given
circuits and do you know the ratings of those accessories? | Hyundai | 2 |
| for 12KW motor which cable size has to select for ex.10
meter. | | 1 |
| why is the core of the underground cable is spiral in shape
instead of straight? | Mecon | 4 |
| What are the main Electrical IS rules?
| | 2 |
| How transformer winding & oil gets heat. | | 2 |
| what is the function of breather in a transformer | Bhel | 7 |
| Why does the power consumed is always constant even if a fan
speed is altered? | | 1 |
| which types of tests are required after commissioning of
6.6 kva tranformer? | Reliance | 1 |
| why free wheeling diode is connected across inductive load | Wipro | 7 |
| What are the various methods for effecive earthing in a
factory in a rocky terrain, where soil resistivity is
extraordinarily high? The usual method of 3 m deep earth
pits is not serving the purpose. | | 3 |
| What is IGBT?Where it is used? What is the difference
between IGBT and Thyristor? | HBL-Power-Systems | 3 |
| how to find motor contactor rating and bimetalic relay
rating? of 30kw motor which will operate on star-delta
starter? | L&T | 3 |
| how to connect from a line-to-line connection to a line-to-
neutral connection? | | 3 |
| relation between voltage and frequency. | | 2 |
| what is the relationship between induction motor and
transformers? | | 2 |
| photo conductive cell | Bhel | 2 |
| |
| For more Electrical Engineering Interview Questions Click Here |