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If a worker takes 15 minutes as a standard time for a job in which total allowance is 20% of normal time. If the rating of worker is 100%.
written 6.9 years ago by gravatar for teamques10 teamques10 ★ 70k •   modified 6.9 years ago

Find the actual time required by the worker.

Subject: Production Engineering and Robotics

Difficulty: Medium

Marks: 6 Marks
production engineering and robotics
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written 6.9 years ago by gravatar for teamques10 teamques10 ★ 70k

Standard Time (ST) = 15 Minutes

Rating Factor (RF) = 100 %

Allowance = 20 % of Normal Time (NT)

Standard Time (ST) = Normal Time (NT) + Allowance

15 = NT + (20/100) NT

15 = NT + (1 + 0.2)

NT = 15/1.2

NT = 12.5 Minutes = Basic Time(BT)

We Know That,

Basic Time = (Observed (Actual) Time x Rating Factor)/ 100

12.5 = (Observed (Actual) Time x 100)/ 100

12.5 = Observed (Actual) TimeActual (Observed) Time

(AT) required by the worker to complete the job is 12.5 Minutes.
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