Differentiate between method study and motion analysis. How are they used in job design?
The elemental times (in minutes) for 4 cycles of an operation using a time measuring device are presented below:
|
|
CYCLE TIME IN MINUTES
|
|
ELEMENTS
|
C1
|
C2
|
C3
|
C4
|
|
1
|
3.0
|
3.0
|
2.6
|
2.8
|
|
2
|
5.2
|
5.4
|
4.85
|
5.2
|
|
3
|
6.6
|
6.4
|
6.8
|
6.8
|
|
4
|
2.4
|
2.4
|
2.2
|
2.4
|
|
5
|
1.02
|
1.02
|
1.04
|
0.96
|
Calculate standard time for the operation, if
- Elements 2 and 4 are machine dependent.
- For other elements, the operator is rated at 110%.
- Total allowances are 15% of the normal time.