railway RRB JE (CBT I + CBT II) Mock Test 2024 Industrial Engineering Production Planning and Inventory Control Line Balancing and Work Study
A time study of a machine operation recorded a cycle time of 7, 6, 7, 8 minute. The analyst rated the observed worker 80%. The allowance fraction is 0.1. The standard time is
1
5.22 minutes
2
6.22 minutes
3
7.22 minutes
4
7.0 minutes