A_MACHINE_VICE_WHOSE_LENGTH_OF_THE_HANDLE_IS_150MM_AND_THE_COEFFICIENT_OF_FRICTION_FOR_THREAD_AND_COLLAR_ARE_0.15_AND_0.17_RESPECTIVELY_HAS_A_FORCE_APPLIED_AT_HANDLE_OF_125N._ALSO_THE_OUTER_AND_INNER_DIAMETERS_OF_COLLAR_ARE_55MM_AND_45MM_RESPECTIVELY._FIND_THE_OVERALL_EFFICIENCY_IF_NOMINAL_DIAMETER=22MM_AND_PITCH=5MM.?$

A_MACHINE_VICE_WHOSE_LENGTH_OF_THE_HANDLE_IS_150MM_AND_THE_COEFFICIENT

1.	A_MACHINE_VICE_WHOSE_LENGTH_OF_THE_HANDLE_IS_150MM_AND_THE_COEFFICIENT_OF_FRICTION_FOR_THREAD_AND_COLLAR_ARE_0.15_AND_0.17_RESPECTIVELY_HAS_A_FORCE_APPLIED_AT_HANDLE_OF_125N._ALSO_THE_OUTER_AND_INNER_DIAMETERS_OF_COLLAR_ARE_55MM_AND_45MM_RESPECTIVELY._FIND_THE_OVERALL_EFFICIENCY_IF_NOMINAL_DIAMETER=22MM_AND_PITCH=5MM.?$
A.	18.12%
B.	12.18%
C.	21.23%
D.	23.21%
Answer» C. 21.23%

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