Answer Posted / er.nitesh

Nishant is right but i want to say above 5 HP we use Star
delta starters and below it we use D.O.L.

Write a note on Treatment for electric shock.

1920

---

what happen as when voltage drop(or may decrease) ? in case of atomic base theory?

2027

---

Which type of a.c motor is used in the fan (ceiling fan, exhaust fan, pedestal fan, bracket fan etc) which are find in the houses ?

1031

---

Pleae send me last 5 years of Question book about RRB chennai.

2295

---

state types of reflectors in illumination engg. ???????

1941

---

what is the relation between size of the anteena and wavelenghth of radiated wave

2180

---

how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING)IO (current operating)?

2266

---

what is mean by descripiency relay? & wht is its ansi code?

3169

---

Why did lightening arrestor solid copper rod head is sharp on mobile tower top?

2018

---

could you measure current in parallel?

1112

---

what is diff btw electric,magnetic & eletromagnetic field

2130

---

Generation of voltage for each phase are same of a turbogenerator.Although the short circuit current flow when two phase of turbogenerator are shorted(where current can't flow without potential difference),why?

2123

---

role of europe union in UK safety legistlation (electrical safety)

1772

---

We have a couple of oil tanks at our plant. One of them does not have a lightning arrester installed. My question is it necessary to install an arrestor on every tank or will this particular one be covered by the arrestor installed on the ajdacent tank, Since all the tanks are close to each other. Basically, I want to know that if these arrestors or protection works in a parituclar area of effect or influence. Thanks

2055

---

is there any chart showing the suitable cable size according to AMP and length ? for three phase motors

1398

---