Answer / pradeep

for railway interview

Answer / saravana kumar. m

what is the difference between electrical & electronics

ELECDTRICAL - CURRENT FLOW IN METALS.
ELCTRONICS - CURRENT FLOW IN CIRCUITS.
this is a basic diffent of my knowledge.

Suppose i Have an Ac motor of 25Hp 1500 Rpm 50 Hz Can i run a motor 2500 Rpm by AC drives by increasing a frequency either it safe or not ....

2 Answers  

---

please tell me when we start motor without load in star or delta connection whose current above condition,pl write formula

0 Answers   Foxconn,

---

why do we use spark detector inside the slip ring brush compartment 0ona slip ring induction motor?

0 Answers  

---

How much resistance between neutral earthing and body earthing of Power transformer?

1 Answers  

---

what is at/cm ?

3 Answers  

---

---

define frequency ?

14 Answers   KPTCL,

---

What is nyquist contour?

0 Answers  

---

sir, i'm preparing for hpcl exam officer trainee pls tell me how the exam ques paper pls pls

0 Answers  

---

how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING)IO (current operating)?

0 Answers   Schneider,

---

what are factors comes under relay setting (distance relay 7sa52) under OPEN DELTA VTs connection??

0 Answers  

---

explain about the electrification in the Indian Railways? ie., how the power is taken and used to drive the train? explain with the block diagram??

1 Answers  

---

How do we calculate tranmission line losses of a 132 KV tranmsission line. Please give some quick tips?

2 Answers  

---