Q: 32 (SCRA/2010)A machine will be reversible if its efficiency is equal to or more than20% 30%40%50%question_subject: Mathsquestion_exam: SCRAstats: 0,5,3,2,1,0,5keywords: {'efficiency': [0, 0, 1, 0], 'machine': [0, 0, 4, 3]} Please login to bookmark this question