Industrial Engineering and Production Management
Pessimistic time is

The maximum time which an activity might require
The average time required for a job
The most probable time considering all conditions
The minimum time in which an activity can possibly be accomplished

ANSWER DOWNLOAD EXAMIANS APP

Industrial Engineering and Production Management
Micro motion study is

Motion study observed on enhanced time intervals
Analysis of a man-work method by using a motion picture camera with a timing device in the field of view
Study of man and machine conducted simultaneously
Motion study of a sequence of operations conducted systematically

ANSWER DOWNLOAD EXAMIANS APP