In a western differential pulley block, the 9 number of recesses in the smaller wheel is of 10 that of larger wheel. If the load lifted by an effort of 300 N is 3 kN, the efficiency of the machine will be

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Q: 48 (SCRA/2010)
In a western differential pulley block, the 9 number of recesses in the smaller wheel is — of 10 that of larger wheel. If the load lifted by an effort of 300 N is 3 kN, the efficiency of the machine will be

question_subject: 

Maths

question_exam: 

SCRA

stats: 

0,2,1,0,2,1,0

keywords: 

{'western differential pulley block': [0, 0, 1, 0], 'larger wheel': [0, 0, 1, 0], 'smaller wheel': [0, 0, 1, 0], 'efficiency': [0, 0, 1, 0], 'recesses': [0, 0, 1, 0], 'machine': [0, 0, 4, 3]}