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We normally make oil soak pits under Transformers. Oil from soak pit goes to collection pit. We provide granules/pebbles under transformers. My question is weather granules/ pebbles to be filled in soak pit or not? if yes upto what level?
Bhel,
10456why two point starter,three point starter, four point starter cannot be used for A.C machines?
2 4714Which of the following loss varies with the load A hystresis loss B eddy current loss C copper loss D core loss
1 3916In auto transformer if power transferred inductively and conductively are same, the ratio of output/input voltage is A 1 B 0.7 C 0.5 D none of above
2 10715kVA rating of open delta connected transformer is _____% kVA rating of delta/delta connection A 50 B 70.7 C 57.7 D 75.7
2 4959Scott connection is used for A 3-phase to 2-phase conversion B to achieve higher effciency C to save copper D to reduce harmonics
2311Post New Electrical Engineering Questions
what is the current setting for different relay protection for transformer .
What is safety of Ht panel
kVA rating of ordinary transformer is increased when connected as an auto transformer because A transformation ratio increased B secondary voltage increased C energy is transferred both inductively and conductively D secondary current increased
what is the calculation method to design core and winding of a 200kva 3phase distribution transformer?
As per the Anchor capstan motor specification, full load current is 200A. starting current is 1750 A and acceleration time is less than 8 seconds. Please guide for selection of cable size.
Why do we need interlocking in a HT metering or Ring main unit switchgear?
Give details of your interested designation, the post you are interested to serve the company better and explain why you think you can serve the company better in such position if employed?
Ceiling Fan and Storage type water heater. Discuss
A 1F capacitor is charged to 100V initially. A 1H inductor is connected accros the capacitor througha a switch. The current in the circiut when the switch is closed is____
wish of these transformer uses oil?
What is thresh hold value of current?
in ACB breaker requireding 3200Amps. buscoupler getting OFF mode and again it reset and getting normal position give me a required answer?
What are the internal and external faults?
What is the unit of magnetic flux density?
1. A bomber drops a bomb from an aircraft flying at 2000 km/hr. at an altitude of 7km. The speed at which the bomb will strike the earth would be
