Answer Posted / anand

actually motor will be damage for giving ac supply...speed
of the motor decreasing, sparking at brushes,then get
heats...in case dc series motor wil run without less
problem ....bcoz series motor os a univresal motor.....

how i chosse capacitor bank if my energy meter is 48 kvr? tell me capacitor bank chossen formula?

2322

---

What is depreciation factor?

2258

---

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

1569

---

What is meant by reverse polarity and how it can be fixed?

1259

---

After completing iti in electrician, how can i get certificate of electrical supervisor? What ia requirements. For it?

1811

---

What is meant by bus bar protection?

1165

---

What will be the effect if I use inverter as UPS mood?

2194

---

please send the last 5 years {{{JUNIOR ENGINEER - ELECTICAL, ELECTRONICS RRB CHENNAI and secundrabad}}} TECHNICAL question papers TO MY EMAIL ID dinesh100701@gmail.com

2180

---

RATING OF LIGHTENING ARRESTER FOR 11 KV LINE IS 9 KV is ok ,but haw to calculate the KA rating?

2077

---

sir, i am 3 years diploma course pass out candidate.what type of certificate can i got in marine service.

1892

---

While converting delta into star or star into delta ,the three values of resistances remains unchanged .Find out the value?Let In star R1=x;r2=x;R3=x On converting into delta,R12=x;R23=x;R31=x Find the value of x

1925

---

diff. between tension mode & speed mode

2330

---

at meter room 50 hrc switch installed,but there are not get earthing proper,so what happen?and 11kv transformer out put going in to hrc main 400a three nog each? so earthing is require for all switch? (some customer made earthing at there home.)

1902

---

what is p.s impedance measurement test in earthing transformer?

2402

---

What is the most essential condition for the voltage build up for a d.c. Shunt generator?

1143

---