What is the difference between austenite stabilisers and ferrite stabilisers ?

1164

---

What is the relationship between cop of heating and cooling ?

1119

---

What is curie point ?

1333

---

Which are the reference fuels for knock rating of s.i. Engines ?

1166

---

Why entropy change for a reversible adiabatic process is zero ?

1303

---

What is the principle of mechanical refrigeration ?

1222

---

What is the purpose of biological shield in nuclear plants ?

1101

---

Why iso-octane is chosen as reference fuel for s.i. Engines and allotted 100 value for its octane number ?

1250

---

What are the causes of failure of superheater tubes ?

1085

---

What does following alloy designation indicate fg 250 ?

1466

---

What is the difference between proof resilience and modulus of resilience ?

1275

---

Mention two types of dislocations.

1152

---

List two effects of manganese in plain carbon steels?

1032

---

Which parameter remains constant in isochoric process ?

1174

---

What is allotrope ? In what forms of cubic pattern, iron exists ?

1214

---