(A) Conduction
(B) Convection
(C) Radiation
(D) Reflection
Q. The transfer of heat internal energy by microscopic collision of particles and movement of electrons within a body is called:
(A) Thermal conduction
(B) Thermal convection
(C) Thermal radiation
(D) None of these
Q. The heat transfer due to bulk movement of molecules within fluids such as gases, liquids or molten rocks is called:
(A) Conduction
(B) Radiation
(C) Reflection
(D) Convection
Answers:
1. (B) Convection
2. (A) Thermal conduction
3. (D) Convection