What is the difference between austenite stabilisers and ferrite stabilisers ?

1076

---

What is the relationship between cop of heating and cooling ?

1024

---

What is curie point ?

1155

---

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

1070

---

Why entropy change for a reversible adiabatic process is zero ?

1113

---

What is the principle of mechanical refrigeration ?

1084

---

What is the purpose of biological shield in nuclear plants ?

989

---

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

1125

---

What are the causes of failure of superheater tubes ?

984

---

What does following alloy designation indicate fg 250 ?

1358

---

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

1170

---

Mention two types of dislocations.

1045

---

List two effects of manganese in plain carbon steels?

931

---

Which parameter remains constant in isochoric process ?

1047

---

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

1079

---