Answer Posted / mohammed ajmal

In India almost every electronic equipments are made for the frequency of 50 Hz.... If the frequency increased or decreased...It will cause damages to the electronic equipments..

what is rating boiler

1950

---

15hp motor wound by 0.9mm & 0.95mm magnet wire. at no load test it draw 4.2A current. Another motor with same condition draw 9.2A current. How can that occur? pls help

1516

---

For refrigerators the motor current is raised beyond its rating on both conditions when the voltage of the system is more(say 270v) than the rated voltage(220v) as well as when the voltage of system is less(say 160v) than normal voltageof 220v, why explain?

1921

---

why transformer tank is in rectangular shape what happen when it is in step shape

1386

---

How would your past experience translate into success in this job?

6825

---

I need model question papers for RRB section engineer Chennai... Please send to my E-mail Id:- maitheerainbow@gmail.com

1893

---

why Y CONNECTION IS BETTER INTERMS OF EFFICIENCY AND P.F FOR A LAOD LESS THAN 40% AND WHY AFTER DELTA IS BETTER FOR > 40%

1879

---

what is earth resistance? how to measured? and give values at power station and mcc area?

1916

---

how the inner and outer body is separated in aircrafts?

1026

---

define as synchronous generator

2083

---

In Indian Household, generally we receive 220V AC single phase supply. But AC has 2 phases, +ve & -ve. So in +ve half cycle current is flowing...so what happens in the -ve half cycle?? Please illustrate.

1976

---

What are the two basic types of transformers?

1101

---

how to calculate the conductor size for certain KV transmission line and distribution line?

2446

---

how to select electrical equipment such as fuse,dg,transformer,motor,msb,wire,cable as per the connecting load..please mention any books to design,take licence

2934

---

what is the function of statics switch in ups and tell me parts

1972

---