General Studies · Refrigeration and Air Conditioning
एक मानक पीने के पानी के कूलर (water cooler) में, बनाए रखा जाने वाला ठंडे पानी का तापमान आमतौर पर लगभग कितना होता है?
- 1-5°C
- 20°C
- 310°C✓
- 4-20°C
सही उत्तर देखें
10°C
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