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Q10189
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What is the effect of operating the compressor under 5 of Hg vacuum during pump down process?
Q10190
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What is ensured before mounting condenser in car AC?
Q10191
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Why CFC 12 system is replaced by HFC 134a system in car AC?
Q10192
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What is the cause of water leakage in indoor unit of multi split AC?
Q10193
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What is the reason for no cooling effect in car AC?