Comment calculer le rendement global d'un système constitué de plusieurs sous-systèmes ?
1 STI2D Energie et rendement

Quiz
•
Physics
•
9th - 12th Grade
•
Medium

Fabienne RAPIN
Used 14+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
en multipliant les rendements des sous-systèmes
en additionnant les rendements des sous-systèmes
en divisant les rendements des sous-systèmes
on ne peut pas le calculer
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quelle est l'unité de l'Energie dans le système international ?
Joule
Calorie
Watt
Wattheure
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quelle est l'unité de la puissance dans le système international?
Joule
Watt
Wattheure
Calorie
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Convertir 950 kJ :
950 000 MJ
950 000 J
0,950 J
0,950 MJ
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Le rendement de ce moteur vaut :
1,09
1.09%
91 %
0,91
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La puissance absorbée par ce moteur électrique vaut :
89,6 W
86,9 W
73,6 W
76,3 W
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La puissance utile de ce moteur électrique vaut :
387,5 W
387 500 W
248 W
24 800 W
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