Answer Posted / guru

NO

If you are using a single phase load and AC waves are
always Sinsuoidal waves it is not possible to use earth as
Return current path. That is why neutral is provided

mention hazard experienced during installation

1922

---

Why does increasing the magnetic flux in the main field of a d.c motor cause the armature current to reduce??

1973

---

how does the terminal voltage of transmission lines increase when a capacitor is connected???? This happens not only in transmission lines but also in all circuits. How??? When a capacitor is connected in a transmission line, capacitor also takes energy from the same supply. But how is it able to increase the terminal voltage??? Practically What sequence of events happen during increase in voltage???

2109

---

Two liquids hot and cold in two vessels are there and an metal bar acts as a conductor of heat between the two vessels. what happens then. what happens after 24 hrs?

2144

---

What are the conditions to be satisfied for parallel operation of dc generators?

1031

---

is it possible to say motor horsepower number without seeing name plate(when name plate damaged)

2022

---

When color of silica gel will gets change from blue to pink from Top to bottom?

1547

---

What do you understand by external characteristics of a d.c. Generator?

1060

---

WHY EXCITER PHASE SEQUENCE ARE OPPOSITE THAN STATOR SUPPLY PHASE SEQUENCE IN SYNCHRONOUS MOTOR >

1851

---

What is sink and source?

1128

---

how to calculate the fault in substation

2336

---

Which motor is 3.3 or 11kV more reliable, in terms of efficeancy,maintenance, reliability.

2054

---

If the rated speed of a d.c. Shunt motor is1440 r.p.m, which method of speed control would you suggested to obtain a speed of 1500 r.p.m?

1095

---

how does it help for selection of a transformer.

1797

---

What is difference between start imitation and start interlock for 3 phase motor protection ?

2201

---