La machine à expresso
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Quiz EM 4.13 Comprehension Test — Chapter 4
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Rapport
1. EM 4.1
In what year was a PID first installed in a
domestique
espresso machine?
2008
1961
1990
2001
2. EM4.2
In what year was the first PID-controlled multi-boiler released?
1961
1990
2001
2008
3. EM4.3
What is the definition of
température de décalage
?
The difference between the temperature of the water exiting the group head and the temperature of the
palet
The difference between the temperature of the water in the boiler and the temperature of the water exiting the group head
The difference between the temperature of the brew boiler and the temperature of the espresso exiting the portafilter
The difference between the temperature of the water in the heat exchanger and the temperature of the water in the boiler
4. EM4.4
Fill in the blank: To enable temperature profiling, it is useful to have a low _____ in the group head.
profile
masse thermique
water level
température
5. EM4.5
How does the Decent espresso machine manage flow?
By using an app that links to your smartphone
By using PIDs in three separate parts of the machine
By counting the pulses of the machine’s vibration pump
By having a group with a very high
masse thermique