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Exam (elaborations)
A320/321 Electrical System 100% Solution Revised 2023//2024
A320/321 ELECTRICAL 
SYSTEM 100% 
SOLUTION REVISED 
2023//2024 
1. In normal configuration, How is DC ESS BUS supplied? 
a. from TR1 
b. from ESS TR 
c. from TR 2 
d. from Bat 2 - ANSWER a. from TR1 
2. What happens in case of total loss of main generators? 
a. the RAT is automatically extended and powers the yellow system which drives the 
emergency generator 
b. the RAT is automatically extended and powers the blue system which drives the 
emergency generators 
c. the RAT has to be...
Exam (elaborations)
A320/321 Electrical System 100% Solution Revised 2023//2024
PopularA320/321 ELECTRICAL 
SYSTEM 100% 
SOLUTION REVISED 
2023//2024 
1. In normal configuration, How is DC ESS BUS supplied? 
a. from TR1 
b. from ESS TR 
c. from TR 2 
d. from Bat 2 - ANSWER a. from TR1 
2. What happens in case of total loss of main generators? 
a. the RAT is automatically extended and powers the yellow system which drives the 
emergency generator 
b. the RAT is automatically extended and powers the blue system which drives the 
emergency generators 
c. the RAT has to be...
Exam (elaborations)
A320/321 Electrical System 100% Solution Revised 2023//2024
A320/321 ELECTRICAL 
SYSTEM 100% 
SOLUTION REVISED 
2023//2024 
1. In normal configuration, How is DC ESS BUS supplied? 
a. from TR1 
b. from ESS TR 
c. from TR 2 
d. from Bat 2 - ANSWER a. from TR1 
2. What happens in case of total loss of main generators? 
a. the RAT is automatically extended and powers the yellow system which drives the 
emergency generator 
b. the RAT is automatically extended and powers the blue system which drives the 
emergency generators 
c. the RAT has to be...