The normal time to perform a repetitive manual assembly task is 4.25 min. In addition, an irregular work element whose normal time is 1.75 min must be performed every 8 cycles. Two work units are produced each cycle. The PFD allowance factor is 16%. Determine the anticipated amount of time worked per 8-hour shift that corresponds to the PFD allowance factor of 16%.

76.8 minutes

Step-by-step explanation:

Every 8 cycles we have 6 regular work elements plus 1 irregular work element.

So, the normal time for 8 cycles is

3*4.25+1.75 = 14.5 minutes.

Since the PDF allowance factor is 16%, the standard time for 8 cycles is 14.5 increased 16%

14.5*1.16 = 16.82 minutes.

So, the anticipated amount of time worked every 14.5 minutes

is 2.32 minutes.

An 8-hour shift has 480 minutes = 33.1034*14.5, so the anticipated amount of time per 8-hour shift is

33.1034*2.32 = 76.8 minutes