
Motoare termice
Authored by Bianca Tătaru
Physics
10th Grade
Used 26+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Motoarele termice sunt dispozitive care efectuează:
lucru mecanic dacă cedează caldura rezultata din arderea unui combustibil
lucru mecanic dacă primesc caldura rezultata din arderea unui combustibil
un proces ciclic fără a implica lucrul mecanic
un proces ciclic care nu poate schimba caldura cu doua termostate având temperaturi constante
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Randamentul unui motor este întotdeauna
egal cu 0
mai mare decât 0
mai mare decât 1
mai mic decât 1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Randamentul ciclului Carnot este egal cu
1+Tmin/Tmax
1+Tmax/Tmin
1-Tmin/Tmax
1-Tmax/Tmin
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Motorul Otto prezintă:
2 transformări izobare, 2 izocore și 1 adiabata
2 transformări izocore, 1 izobara și 1 adiabata
2 transformări adiabate, 1 izocora și 1 izobara
1 transformare izobara, 1 izocora și 1 adiabata
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Formula randamentului pentru motorul Diesel este
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se numește transformare biterma o transformare in care:
ST schimba caldura cu 2 termostate având aceeași temperatura
ST primește caldura de la 2 termostate având aceeași caldura
ST schimba caldura cu 2 termostate având temperaturi diferite
ST cedează caldura de la 2 termostate având aceeași temperatura
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Randamentul ciclului Carnot
nu depinde de natura substanței de lucru
depinde de natura substanței de lucru
depinde de cantitatea substanței de lucru
nu depinde de temperaturile celor 2 termostate
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