Answer / r k choudhary

Ring main unit is a looping of all equipment if power
supply from end fail then power supply from other end fed
in equipment. there will be no hindrance in our work.

Answer / david vk2cz

ATS is an automatic transfer switch, meaning it will accept power from 2 sources, and automatically switch to the source with available power. This can be dangerous in maintenance activities, unless it is switch to manual. Mostly used in datacentres, underground train stations and underground corridor lighting

DIFFERENCE BETWEEN POWER AND CONTROL CABLES

9 Answers   NCC,

---

Why lose 1 phase voltage in 33kv to 415v stepdown transformer

0 Answers  

---

What is class 2 coordination ?

2 Answers  

---

differentiate between remote backup relay and local backup relay?

1 Answers  

---

what is differnce btwen lll and lllg faults

0 Answers  

---

---

some time we open engine breaker 8.0 MW load but plant not trip. and another time engine open 4.0 MW load engine trip why? individually engine breaker open & individually emergency stop why difference?

0 Answers  

---

WHAT IS DIFFERENCE BETWEEN CAPACITOR AND CAPACITANCE?

0 Answers   Manipal Hospital,

---

how to determine ct ratio in ht vcb?

0 Answers   Techno Engineering,

---

On what basis primary and secondary of a transformer is chosen?

2 Answers  

---

What is zero of the system?

0 Answers  

---

54 Comments Alok and Bhanu play the following min-max game. Given the expression N = 38 + X*(Y – Z) where X, Y and Z are variables representing single digits (0 to 9), Alok would like to maximize N while Bhanu would like to minimize it. Towards this end, Alok chooses a single digit number and Bhanu substitutes this for a variable of her choice (X, Y or Z). Alok then chooses the next value and Bhanu, the variable to substitute the value. Finally Alok proposes the value for the remaining variable. Assuming both play to their optimal strategies, the value of N at the end of the game would be?

0 Answers   Bajaj, TCS,

---

what is the power factor

13 Answers   Heidelberge Cement,

---