
Test: energia interna,caldura si lucrul mecanic
Quiz
•
Physics
•
10th Grade
•
Hard
Daniela Prodanescu
FREE Resource
9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Energia interna a unui sistem termodinamic adiabatic care efectueaza lucrul mecanic:
creste
scade
ramane constanta
are o variatie pozitiva
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Energia interna a unei cantitati constante de gaz ideal creste atunci cand gazul sufera :
o destindere adiabatica
o destindere izoterma
o comprimare izotermica
o comprimare adiabatica
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Energia interna a unei cantitati constante de gaz ideal scade atunci cand gazul sufera :
o comprimare adiabatica
o comprimare izoterma
o destindere adiabatica
o destindere izoterma
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Intr-o incalzire izobara o cantitate constanta de gaz ideal:
"primeste" lucrul mecanic de la mediul exterior
"cedeaza" lucrul mecanic mediului exterior
cedeaza caldura mediului exterior
nu efectueaza lucrul mecanic
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In comprimarea adiabata a unui gaz ideal, acesta:
efectueaza lucrul mecanic si îi creste energia interna
primeste lucrul mecanic si îi scade energia interna
efectueaza lucrul mecanic si îi scade energia interna
primeste lucru mecanic si i creste energia interna
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
O cantitate constanta de gaz ideal "primeste" lucru mecanic de la mediul exterior in cursul unei :
raciri izocore
raciri izobare
incalziri izocore
destinderi izoterme
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Stabiliti care afirmatie nu este adevarata in cazul comprimarii izoterme a unui gaz ideal:
presiunea creste
variatia volumului este negativa
lucrul mecanic efectuat este negativ
variatia energiei interne este pozitiva
8.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In destinderea izoterma a unei cantitati constante de gaz ideal:
gazul cedeaza caldura
energia interna a gazului creste
gazul efectueaza lucrul mecanic
presiunea gazului creste
9.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Energia interna a unei cantitati constante de gaz :
creste intotdeauna cand gazul primeste caldura
scade intotdeauna cand gazul cedeaza caldura
este constanta intr-o transformare izoterma
este nula intr-o transformare ciclica
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