Answer Posted / tula.srinivas

Yes, there will be no star point in Delta transformer
name it self says that star point means starconnected
transformer will only have the star point and it needs to
be saperately earthed and connected it should not mix up
with LV panel or others.

The sodium vapor lamp is not glows when it is connected a distance of 5 meters above from gearbox, why ?

3599

---

which pump used in STP

2152

---

state the working principle of incondenscent tube?

1890

---

Advantage of LT panel vs HT panel

2848

---

what is class of SPD and dittels of all class ?

2043

---

can we use CBCT in neutral of solidly grounded transformer? in place of three phases we can pass only one phase which decreases the size of CBCT?

2236

---

how a.c. genarator control power factor when its conected to grid supply by incrising or decresing excitation voltage.

3291

---

Is MEN and RCD related to each other ?? IF yes then how??

1823

---

plz tel me syllabus and exam date 4 jr executive engg (electrical)

1924

---

Why temperature rise is conducted in bus bars and isolators?

1254

---

Sir, I have applied for the of Assistant.engineer of NPDCL. please send me all AP TRANSCO AND JENCO solved papers of previous exams . I requested send me the papers to my id as soon as possible (rajanikanth_peddi@yahoo.co.in) (This is very urgent) Thank You,

2850

---

1.Z transform always lies around ? a) origin b) pole c) zero d) z=1. Multiples Mcqs which is bother me can’t find answers on internet. Some help required with little explanation . Note: this is not homework or related to any test. Thanks

2415

---

if a number of plc s are there then how many modbus to be used

1913

---

can a 150 kva 3 phase 440v/230V delta-wye step down transformer can be use as step up transfoermer with connected loads at 440v side?

1678

---

When we use 3 terminal resistor?

1169

---