What is meant by laminar flow ?

1155

---

Name four important properties of a good refrigerant.

1059

---

Define heat transfer?

1139

---

What are the dimensionless parameters used in forced convection?

1104

---

Write down the equation for conduction of heat through a slab or plane wall.

1171

---

What is the use of center punch?

1254

---

Name the gauges?

1251

---

What is the difference between air conditioning and refrigeration?

1097

---

Name any four commonly used refrigerants.

1188

---

What is the chemical composition of ceramics?

992

---

How does iron and steel exhibit allotropy?

955

---

What is heat treatment?

1048

---

What is the melting point of brass?

1012

---

Which liquid can dissolve gold?

957

---

What are the effects of recrystallization of metals on alloying?

913

---