HMT GATE Practice Questions

Q1)  For a given material, the thermal conductivity K is

1. A constant
2. Depends upon shape and size of material
3. Can be different with different directions
4. Not a Constant                                                                                                                 (3)

Q2) Out of the following which is a property of material

1. Thermal Conductivity

2. Convective heat Transfer Coeffcient

3. Overall Heat transfer coefficinet

4. Thermal resistance                                                                                                           ( 1)