In a lifting machine, the efforts required to lift loads of 200 N and 300 N are 50 N and 60 N respectively. The maximum efficiency which can be expected from this machine is (given, velocity ratio = 20)

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Q: 14 (SCRA/2010)
In a lifting machine, the efforts required to lift loads of 200 N and 300 N are 50 N and 60 N respectively. The maximum efficiency which can be expected from this machine is (given, velocity ratio = 20)

question_subject: 

Maths

question_exam: 

SCRA

stats: 

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

keywords: 

{'lifting machine': [0, 0, 1, 0], 'maximum efficiency': [0, 0, 1, 0], 'loads': [0, 0, 1, 0], 'machine': [0, 0, 4, 3], 'velocity ratio': [0, 0, 1, 0]}