Compute for the recommended length of rest break. Trst = Where: Trst = rest time, min Twrk = working time, min Twrk (ERwrk-ER) ER ERrst ERwrk = energy expenditure rate associated with physical activity, kcal/min Problem: ER = Time-weighted average energy expenditure rate, kcal/min ERrst = metabolic rate of worker while resting, kcal/min A male worker performs physical labor that has an energy expenditure rate of 8.2 kcal/min for 20 min. During the res breaks, his energy expenditure rate is estimated to be 1.5 kcal/min. The energy expenditure rate of the physical activity at the maximum time-weighted average during shift for male worker is 5 kcal per min. Determine an appropriate length o a rest break.

Compute for the recommended length of rest break. Trst = Where: Trst = rest time, min Twrk = working time, min Twrk (ERwrk-ER) ER ERrst ERwrk = energy expenditure rate associated with physical activity, kcal/min Problem: ER = Time-weighted average energy expenditure rate, kcal/min ERrst = metabolic rate of worker while resting, kcal/min A male worker performs physical labor that has an energy expenditure rate of 8.2 kcal/min for 20 min. During the res breaks, his energy expenditure rate is estimated to be 1.5 kcal/min. The energy expenditure rate of the physical activity at the maximum time-weighted average during shift for male worker is 5 kcal per min. Determine an appropriate length o a rest break.

ENGR.ECONOMIC ANALYSIS

14th Edition

ISBN:9780190931919

Author:NEWNAN

Publisher:NEWNAN

Chapter1: Making Economics Decisions

Section: Chapter Questions

Problem 1QTC

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Question

Compute for the recommended length of rest break.
Trst
Twrk (ERwrk-ER)
ER - ERrst
Where:
Trst rest time, min
Twrk = working time, min
ERwrk = energy expenditure rate associated with physical
activity, kcal/min
Problem:
ER = Time-weighted average energy expenditure rate, kcal/min
ERrst = metabolic rate of worker while resting, kcal/min
A male worker performs physical labor that has an energy
expenditure rate of 8.2 kcal/min for 20 min. During the rest
breaks, his energy expenditure rate is estimated to be 1.5
kcal/min. The energy expenditure rate of the physical activity
at the maximum time-weighted average during shift for male
worker is 5 kcal per min. Determine an appropriate length of
a rest break.

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