Heater Band Quiz
(CHOOSE THE BEST ANSWER)

1. What are heater bands?
A. Devices that are inserted into drilled holes of metal blocks for heating
B. Heating elements that are mounted on or around a metal object
C. Device used to measure the temperature of an object
D. Bands that are wrapped around an object to conserve/trap heat inside

2. What are heater bands used for?
A. Converting electricity into heat
B. Converting heat into electricity
C. Transfer of heat from a cool surface to a warm surface
D. To conserve/save energy

3. What is conduction?
A. Where heat source does not need to be in contact with the object it is heating
B. Where heat source comes in direct contact with the object it is heating
C. Transfer of heat through air or water
D. Transfer of heat from a cool surface to a warm surface

4. What is convection?
A. Transfer of heat from a cool surface to a warm surface
B. Where heat source comes in direct contact with the object it is heating
C. Flow of heat directly through a solid material
D. Where heat source does not need to be in contact with the object it is heating

5. What is the "heart" of an electric heater?
A. Insulation
B. Sheath
C. Resistance Element
D. Termination

6. What is the most common reason for heater band failure?
A. Hot spots
B. Poor contact
C. Shortage caused by incorrect wattage
D. Contamination

7. Where is a heater band placed on an injection/extrusion machine?
A. Barrel, Nozzle and/or End Cap
B. Nozzle, Barrel and/or Screw
C. End Cap, Barrel and/or Screw
D. Screw, End Cap and/or Nozzle

8. When properly cared for, how long should a heater band last?
A. The length of one project
B. Years
C. Weeks
D. Months

9. What is watt density?
A. Measure of the rate of heat being transferred
B. Measure of the rate of voltage being transferred
C. Measure of the rate of heat being saved
D. Measure of the rate of voltage being consumed

10. How is watt density measured?
A. By how much energy it consumes
B. Watts per square inch
C. Watts per square foot
D. By how much energy it saves

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