Answer / narasimman

to reduce cost of the conductor & reduce the conductor
losses.

corona happens more in summer or winter?

3 Answers   MAHINDRA,

---

Tell me about Simence PLC 'BLOCK'.How many types and what for.

1 Answers   Gurit,

---

1. alternator has full load regulation of 4% when pf of the load is 0.8 lag, 1500 rpm. full load regulation of 1400 rpm for 0.8lag will be ________ ?? 2. torque angle of a sync m/c operating from a constt voltage bus is usually defined as space angle between _______ . 3. method most effective in finding out no load losses in large DC shunt motoris ______ . 4. current carrying capacity of fuse material depends on ______ . 5. coil has res. 10 ohm, inductance 1H. what wil be current after 0.1sec after switching on to a 500V DC SUPPL ? ? 6. effect of phase lag compensation on servo systems ___________ . 7. rotor of a dc machine is usually supported upon ______ . 8. DC motor is preferred to AC motor in which application ?? 9. 3 nos of 10:1 Xmer are connected in Star-Delta to supply a load at 230V.the supply voltage must be ______ . 10. voltage source produces max current in which circuit. 11. cal. power, if current and voltage are out of phase by 90 degree. 12. suitable length of Xmission line of power at 66 KV. 13. Which of the theorm helps in simple computation when the load across a ckt is varying ?? 14. what is the adopted line length for power Xmission of power by cables ??

5 Answers   TATA,

---

Which type of moter is used in trains, what is the ratting of supply used explain Working principal?

2 Answers  

---

nwhat are the main Components of servo motor?

0 Answers   BARC,

---

how can calculation ate Amps for cabel. Ex-for 1sqmm wire hou many amps we can draw

0 Answers   Videocon,

---

The following equipment are installed ia a plant 1. 110KW Induction motor 4 Nos 2. 30 HP motor 3 Nos 3 15 HP Motor 3 Nos 4 7.5 HP motor 4 Nos what is total load of plant if one of each is stand by.

3 Answers   Blue Star,

---

what is the effect of power factor in electrical circuit ? if we mainten power factor near about unity (0.999) our energy consumption Units increase or decrease?

11 Answers   Piramal Healthcare,

---

How do you select a cable size(Cu & Al) for a particular load?

2 Answers  

---

is it possible to use a tranformer to regulate an unstable system voltage?

3 Answers  

---

Why we did not feel electric shock in electric train?

1 Answers   NTPC,

---

How can find thermal state value in relay for calculate thermal overload.

0 Answers  

---