Question

A time study was carried out for a machining operation. A qualified operator was selected for the time study. The details of observed times are as under s no part of operation observed time (seconds) 1 2 3 1 loading 10 9 11 2 machining 55 48 41 3 unloading 10 12 8 the worker rating was 105. Relaxation allowance for this operation as found out from the table for a male worker is 10%. A contingency time of 4% is required in the process. Calculate standard time. What should be the target production of a shift of 8 hours

Answer 1

Answer:

the time study. The details of observed times are as under s no part of operation observed time (seconds) 1 2 3 1 loading 10 9 11 2 machining 55 48 41 3 unloading 10 12 8 the worker rating was 105. Relaxation allowance for this operation as found out from the table for a male worker is 10%. A contingency time of 4% is required

Answer 2

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Relaxation allowance for this operation as found out from the table for a male worker is 10%. A contingency time of 4% is required in the process production of a shift of 8 hours