Answer / engr.shahbul

5(fist Digit)-Limited protection against dust ingress.
(no harmful deposit)
5(2nd Digit)-Protected against low pressure water jets from any direction. Limited ingress permitted.

which metal is use in shunt

4 Answers  

---

IN bateery size of positive is biger than negative .why?

8 Answers   Power Grid,

---

CFL lamp is what type of load?

6 Answers  

---

How Humming noise generated in starter motor which was used the start the engine in a vehicle/car/Truck?.Moreover Starter motor was operated in DC power supply. Can you guys clarify ?

2 Answers  

---

why current increases when voltage decreases in ac system

10 Answers  

---

---

a simple c++ program to calculate simple interst with its data members as private

0 Answers   L&T,

---

why generator and t/f ratings given in kva & motor rating is in KW?

6 Answers  

---

What is the criteria that generally follow by distribution licenses to fix contact demand of their industrial customers?

0 Answers  

---

define one ampere?

2 Answers  

---

What are the advantages of vscf wind electrical system?

0 Answers  

---

if any house we instaled a 1.5 ton ac and its phase cable of wiring is installed but netrual cable of wiring not instaed. my question is that is neutual of house(for other wiring is capable for ac load or a sepeart neutrual wiring required

0 Answers  

---

what is the difference single phase and 3phase starter

1 Answers  

---