What is the difference between austenite stabilisers and ferrite stabilisers ?

1119

---

What is the relationship between cop of heating and cooling ?

1065

---

What is curie point ?

1245

---

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

1111

---

Why entropy change for a reversible adiabatic process is zero ?

1209

---

What is the principle of mechanical refrigeration ?

1160

---

What is the purpose of biological shield in nuclear plants ?

1036

---

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

1182

---

What are the causes of failure of superheater tubes ?

1039

---

What does following alloy designation indicate fg 250 ?

1420

---

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

1222

---

Mention two types of dislocations.

1099

---

List two effects of manganese in plain carbon steels?

967

---

Which parameter remains constant in isochoric process ?

1126

---

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

1155

---