Answer / a.c.subash

TYPES OF EARTHING ARE AS FOLLOWS,PLANT EARTH,INSTRUMENT
EARTHING.
REGARDING INSTRUMENTATION, SYSTEM GROUND SHOULD BE LESS THAN
1 OHMS AND FRAME GROUND SHOULD BE LESS 5 OHMS.EACH EARTH PIT
SHOULD BE SEPARATED FROM 5 METERS AWAY.

Answer / ashok

3 types of earthings are there.
1)Conventional-Using char coal and Salt
2)Chemical--using chemical
3)Normal ---Just put into earth

why is a two-input nand gate called universal gate?

0 Answers  

---

What are active & passive elements in BTS?

0 Answers   NSN,

---

What do you mean by Frequency re-use?

1 Answers  

---

Which is used as storage location in the alu and the control section of a computer?

0 Answers  

---

How the battery of a mobile phone is charged??? whether it is charged uniformly or charges fast initially and slowly later on during reaching its full charging value????

1 Answers  

---

---

For a 1φ voltage controller, feeding a resistive load, draw the waveforms of source voltage, gating signals, output voltage and voltage across the scr. Describe the working with reference to waveforms drawn?

0 Answers  

---

box1-a box2-b box3-c get 3a-2b-c in box3 using only subtract 3steps

0 Answers   Godrej,

---

why dose response of a phototransistor depent upon the wave length of the incident light?

0 Answers  

---

What are the disadvantages of continuous gating signal?

0 Answers  

---

What is Autonomous System Boundary Router (ASBR)?

0 Answers  

---

What are the function of different capacitor, resistors, transister, diods, thyrister( like SCR)in any circuit?

0 Answers  

---

explain 4 maxwell equations???

1 Answers   BEL,

---