
Combustibili. Motoare termice
Physics
6th Grade
11 Questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Substanțele care prin ardere dau căldură se numesc...
Izolatoare
Combustibili
Conductoare
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Care dintre următorii combustibili este natural...
Cărbunele
Benzina
Alcoolul
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Combustibilii...
se aprind la fel de ușor.
se aprind la temperaturi diferite.
nu ard.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Căldura degajată prin arderea unui combustibil este...
Q= m/q
Q=mq
Q=q/m
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cantitățile de combustibili diferiți cedează, prin ardere completă...
cantități egale de căldură
cantități mai mari de căldură
cantități diferite de căldură
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Motoarele termice cu ardere internă sunt...
Locomotiva cu aburi
Turbina cu aburi
Motorul Otto
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Randamentul unui motor termic este:
η = L / Q primita
η = L / Q cedata
η = Q primita / Q cedata
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