Answer Posted / firas

u should specified which AC or DC cuurent

what is the size of ht cable of 33kv ht line and transformers ratings are 1 Mva and 5mva.please send formula also.

1458

---

what are the sample questions asking to the test cunducting for electrical superwising lisence test?

2195

---

Use of switch mode power converter in real-time basis?

1173

---

how to calculation increase capacitor,increase power factor for three phase.

2179

---

why +24 v and -48 v give to BTS? If -48v protect from surge then why we not use -24 v?

1840

---

1.What will be stored in online ups EPROM IC?

2053

---

while doing high voltage test on 11kv/433 distribution transformer why we only give 28 kv on hv side and 3kv on lv side for power transformers what is the value what factors it depends

2856

---

explain comutator action in detail.thanks

2255

---

what is reactive power?, why its measured in VA ? is it transient behavior of system?

2299

---

Mention what are the types of semi-conductors?

1215

---

how electical engineer is related to apsrtc (general) post? if they ask a question in interview as why did u choose this job what shd be answer

2206

---

What is the formula to calculate the rating of a three phase miniature circuit breaker

2143

---

Define phase lag and phase lead?

1136

---

dear sir/madam i want to get some knowledge about RRB EXAMINATION(section engineer) 1- what is minimum cut off 2- wht portion is major portion . 3- can any body provide Sample paper. thanks & regards ashish

2363

---

IF alternator SCR value will be high means what happen in alternator efficency at operating power factor of 0.8

3863

---