Sentence Examples


  • When the critical point is reached the value of r disappears altogether, and a carbonic-acid machine is then dependent for its refrigerating effect on the reduction in temperature produced by the internal work performed in expanding the gaseous carbonic acid from the condenser pressure to that in the refrigerator.
  • On battleships and cruisers the British Admiralty use small compressedair machines for ice-making, and larger machines, generally on the carbonic-acid system, for cooling the magazines.