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One ton refrigeration machine implies that the machine-
1. Has a gross weight of 1 ton
2. Consumes one ton of refrigerant in 24 hours
3. Has the capacity to convert one ton of water into ice
4. ​Is capable of extracting heat that would melt one ton of ice at 0°C into water at 0°C in a period of 24 hours

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Correct Answer - Option 4 : ​Is capable of extracting heat that would melt one ton of ice at 0°C into water at 0°C in a period of 24 hours

Standard rating of refrigeration machine

  • The rating of a refrigeration machine is obtained by refrigerating effect or amount of heat extracted in a given time from a body.
  • The rating of the refrigeration machine is given by a unit of refrigeration known as "a standard commercial tonne of refrigeration" which is defined as the refrigerating effect produced by the melting of 1 tonne of ice from and at 0°C in 24 hours.
  • 1 TR = 3.5 kW

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