Answer / gajanan

in normal condition when sun rays strikes earths
surface ,some of them are absorbed and some are reflected
back to atmosphere. but due to pollution layer of gases
like co2, co, is formed in atmosphere which traps the sun
rays reflected by earths surface resulting in increasing in
temp of earth atmosphere that is called as global warming

Why do we require transformer with less specific weight if supply frequency is increased?

0 Answers  

---

what is used root two in single phase line?

1 Answers   DVC,

---

what's the thickness of 1.5sqmm wire

1 Answers   Bhel,

---

Is the force acting between two parallel conductors of infinte length carrying AC of frequency 50Hz remians constant with respect of time? If not then what would be the frequency of the force acting?

1 Answers  

---

Given a collection of points P in the plane, a 1-set is a point in P that can be separated from the rest by a line; i.e. the point lies on one side of the line while the others lie on the other side. The number of 1-sets of P is denoted by n1(P). The maximum value of n1(P) over all configurations P of 19 points in the plane is 18

0 Answers   TCS,

---

---

our plant maximum demand has 500 kva.need to suggest me to maintained pf 0.98.how much capacitor bank will be connect to the supply line.

1 Answers  

---

The power dissipated by a resistor of 10ohm when a current of 2A passes through it is:(a) 0.4W(b) 20W(c) 40W(d) 200W

2 Answers  

---

Is it really necessary to have reactive power in transmission line to transfer the power from one place to other?

3 Answers   Power Grid,

---

What is C-factor?why it is required to consider in fault short circuit calculations?

2 Answers  

---

what are different types of excitation in synchronous generator,what is the difference between them

3 Answers  

---

What is meant by reverse polarity and how it can be fixed?

0 Answers  

---

where can the transformer having vector group Yny0 be used??

0 Answers   GK Power, NEA, Petrotech,

---