A particular activity of shop floor consists of three elements. The allowances are expressed as percentage of normal time. Calculate standard time for each of the activity from following data.

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written 5.7 years ago by

teamques10 ★ 67k

• modified 5.7 years ago

S.No.	Element	a	b	c
1	Observed time in min.	1.5	2.1	1.8
2	Rating factor	125	90	100
3	Allowances	20%	15%	10%

Subject: Production Engineering and Robotics

Difficulty: Medium

Marks: 6 Marks

production engineering and robotics

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1 Answer

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written 5.7 years ago by

teamques10 ★ 67k

Sr. No.	Element	Observed Time	Rating	Basic Time (Normal Time)
1	A	1.5	125	=1.5 X (125/100)= 1.875 min
2	B	2.1	90	= 2.1 X (90/100)= 1.89 min
3	C	1.8	100	= 1.8 X (100/100)= 1.8 min

Total Normal Time = 1.875 + 1.89 + 1.8 = 5.565 min

To Allowances:-

For A :- (20/100 X 1.875) = 0.375 min

For B:- (15/100 X 1.89) = 0.2835 min

For C:- (10/100 X 1.8) = 0.18 min

Standard Time = Normal Time + Allowances

Standard Time For A :- 0.375 + 1.875 = 2.25 min

Standard Time For B:- 0.2835 + 1.89 = 2.1735 min

Standard Time For C:- 0.18 + 1.8 = 1.98 mintal

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