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Heat Transfer
Contributed by: Handley
  • 1. Which method of heat transfer does not require a physical medium?
A) Convection
B) Conduction
C) Advection
D) Radiation
  • 2. What is the process of heat transfer through direct contact of particles?
A) Convection
B) Entropy
C) Radiation
D) Conduction
  • 3. What is the transfer of heat through the motion of fluid particles?
A) Conduction
B) Radiation
C) Entropy
D) Convection
  • 4. Which heat transfer method occurs in fluids due to density differences?
A) Radiation
B) Natural convection
C) Forced convection
D) Conduction
  • 5. What determines the rate of heat transfer in conduction?
A) Pressure difference and time
B) Sound intensity and surface area
C) Temperature difference and material properties
D) Mass and volume
  • 6. Why are dark-colored objects good absorbers of heat?
A) They absorb more radiation and convert it into heat
B) They repel heat
C) They emit more radiation
D) They reflect radiation away
  • 7. Which material property affects the rate of heat conduction the most?
A) Specific heat capacity
B) Thermal conductivity
C) Density
D) Vapor pressure
  • 8. Which material property describes the amount of heat required to raise the temperature of a substance?
A) Specific heat capacity
B) Density
C) Thermal conductivity
D) Viscosity
  • 9. What effect does increasing surface area have on heat transfer through convection?
A) Decreases heat transfer rate
B) Reverses heat flow direction
C) No effect on heat transfer
D) Increases heat transfer rate
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