
Problemas no AC
Authored by Luis Neves
Specialty
12th Grade
Used 2+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 6 pts
A Falta de arrefecimento (ar quente ou pouco frio) pode ocorrer devido a:
Nível baixo de gás refrigerante devido a fugas.
Condensador ou evaporador entupidos.
Compressor com avaria.
Todas as respostas estão corretas.
2.
MULTIPLE CHOICE QUESTION
20 sec • 6 pts
Quando existem cheiros desagradáveis ao ligar o ar condicionado, deve-se a falta de limpeza de:
Compressor
Condensador
Evaporador
Válvula de expansão
3.
MULTIPLE CHOICE QUESTION
20 sec • 6 pts
Ruídos anormais ao ligar o sistema normalmente têm origem em:
Compressor e condensador
Compressor e evaporador
Compressor e ventoinhas do sistema AC
Compressor e líquido de refrigeração.
4.
MULTIPLE CHOICE QUESTION
20 sec • 6 pts
Quando existem ruídos anormais com origem no compressor a causa é:
Polia ou rolamento
Motor
Correia de transmissão
Nenhuma das respostas
5.
MULTIPLE CHOICE QUESTION
20 sec • 6 pts
O compressor não funciona:
Falha elétrica
Falha mecânica
Partiu a correia
Não tem líquido refrigerante
6.
MULTIPLE CHOICE QUESTION
20 sec • 6 pts
Sistema desliga-se automaticamente.
Sensor de pressão avariado
Excesso de pressão no sistema
As respostas anteriores estão corretas
As respostas anteriores estão incorretas
7.
MULTIPLE CHOICE QUESTION
20 sec • 6 pts
Existe condensação ou humidade excessiva no interior do veículo:
Filtro do habitáculo entupido
Drenagem da humidade no evaporador entupida.
Podem ser as duas causas anteriores
Está frio demais e o sistema não é eficiente
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