Sharpening your pencil is an operation that may be divided into eight small elem

Question

Sharpening your pencil is an operation that may be divided into eight small elemental motions. In MTM terms, each element may be assigned a certain number of TMUS: Reach 4 inches for the pencil Grasp the pencil Move the pencil 6 inches Position the pencil Insert the pencil into the sharpener Sharpen the pencil Disengage the pencil Move the pencil 6 inches 8 TMU 2 TMU 12 TMU 20 TMU 3 TMU 120 TMU 10 TMU 8 TMU The total normal time in minutes for sharpening the pencilminutes (round your response to four decimal places).

Explanation / Answer

MTM (Most predetermined Motion Time) system uses TMU (Time Measurement Unit) instead of seconds to measure time

1 TMU = 36 milliseconds = 0.036 seconds

For sharpening the pencil, total TMU's required = 8+2+12+20+3+120+10+8 = 183TMU

Converting 183TMU into seconds = 183*0.036 = 6.588 = 6.59 seconds

Converting 183 TMU into minutes = 6.588/60 = 0.1098 minutes

For sharpening the pencil, it takes a time of 0.1098 minutes which is equal to 6.59 seconds

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