Assertion: efficiency | /r/HasProperty | expressed by the coefficient 1/2
Facets:
Source sentences:
text: If a machine produced but half the work represented by the energy it absorbed, the rest disappearing in wasteful expenditure, in heating the bearings, in overcoming the resistance of the air and in other ways, its efficiency would be expressed by the coefficient 1/2 or .5, or if one hundred was the basis, by fifty per centum.