Answer / sami thamer

the value of the (KA) in (mccb) represent the resistance to
current rising occuring at the short circuit or at
earthleakaging.

Answer / utsav datta

KA denotes the s/c current breaking capacity of the circuit
breaker under s/c condition.
The improvisation is actually resistance to current rising
at s/c.

What is phase angle? and what is importance to measure it?

2 Answers  

---

how to select the cable size? any formula to calculate cable size?

4 Answers  

---

According to general circuit diagram of 1-Phase t/f , why the primary is not get short circuited ,even though the supply terminals both are directly connected through primary winding?

4 Answers  

---

how we identify AC or DC machine at the time of seeing, with out use of name plate?

4 Answers  

---

how to revers the direction of single phase motor

0 Answers  

---

What conditions are required for transformer to operate at low frequencies ?

0 Answers  

---

what percentage of marks in B-TECH is needed for section engineering exam

1 Answers   RRB,

---

i am going to correct power factor of 1600kw induction motor,when i calculate capacitance of capacitor it is three time more in star connection than delta. if motor is star connected which connection i shall adopt for capacitors and reason for adopt this connection

0 Answers  

---

why mosquito bat makes noise when it hits with a insect?

2 Answers  

---

What is limitedly stable system?

0 Answers  

---

Please tell me in DETAIL about the following 3 types of fuses or recommend me a good power system protection book or a website link ? 1.Dropout Fuse 2.Striker Fuse 3.Empulsive fuse (not sure if its impulsive or explosion fuse , sorry)

0 Answers  

---

what is the CT & PT. where is it uses.what is the using that plese kindly answer me...?

4 Answers   Cap Gemini, JLL,

---