Basic tool in work-study is
AGraph paper
BStopwatch
CProcess chart
DPlanning chart
Answer:
B. Stopwatch
Read Explanation:
Work measurement is a technique to determine the time required to complete a job by a qualified worker. Time study is done using a stopwatch to record the time taken for a specific task. The most widely used timing device for time study is a stopwatch. A process chart is a graphic representation of activities in a process and is used to provide an overall view of the situation. The basic tool in work-study is a stopwatch, which is used for time study.