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

What amplifier

3 Answers  

---

What is characteristic of ideal opamp?

0 Answers  

---

A noiseless 8kHz channel is sampled every 1msec. What is the maximum data rate?

1 Answers   Chongqing University of Posts and Telecommunications,

---

How fast can the o/p of an op-amp change by 10v ,if its slew rate is 0.5v/micro sec.

1 Answers   HCL,

---

write the expression for a multiple Pi section filter's ripple factor?

0 Answers   TCS,

---

which of the combinations is not right?? 1. final abstract 2. static abstract 3. abstract private 4. final static

1 Answers   CVR College of Engineering,

---

. When a inductive coil connected to a 200 V, 50Hz ac supply with 10A current flowing through it dissipates 1000 watts then which of the following will have least value in ohms a.) Resistance b.) Reactance c.) Impedance d.) None

3 Answers   BSNL,

---

WHY THE CUTOFF FREQUENCY IS OF 3 DB??

1 Answers   TCS,

---

Functional difference between IGBT and SCR

7 Answers   Siemens,

---

How can a pseudo random noise code be usable?

0 Answers  

---

Explain the main advantages of synchronous circuit?

0 Answers  

---

which is the best institute to learn .net and do project on it.

1 Answers  

---