Answer Posted / pjp

I THINK, IT IS BECAUSE OF ITS RAW MATERIAL(PETROLEAM PRODUCT) IS BLACK AND ALSO WE CAN MANUFACTURE TYRE WITH DIFFERANT COLOUR BUT AFTER SO MANY YEAR USE IT WILL BECOME BLACK(DIRTY LOOK),SO IT IS ALWAYS IN BLACK.

Which material grade is better for low temperature application upto -20 deg C either IS 2062 GR B OR IS 2062 GR C ?

2346

---

What is meant by laminar flow ?

1156

---

What is coefficient expansion of transformer oil?

1077

---

What is the purpose of I.O. circulation before and after starting of engine?

1891

---

Who invented springs?

1111

---

Under what circumstances would there be an increase in pressure in a diver¬gent nozzle ?

1065

---

What do you mean by cotter joint?

1104

---

What is the use of multi tester?

1915

---

Is IS 2062 different from ASTM A 36 or both are almost same

19774

---

What is the world's hardest metal?

1138

---

What is diffrence between star & delta connnection in practical situation in submersible pump?

1986

---

hi sir would u plz kindly send me d previous years IOCL test papers......plz send it to this email id...jomygeorge787@hotmail.com

1960

---

i want technical question of mechnical for rrb mumbai

1962

---

what is tranformer and transducer

1885

---

tell about a type when u had to use ur presentation skill to influence someone's.

1783

---