29 Questions
What are the predetermined time standards based on in methods time measurement (MTM)?
Therbligs
What does the learning curve phenomenon show regarding human performance?
Improve with increasing repetitions
How is the unit time for the nth unit calculated using the learning curve formula?
$\log(1/n)$
What is the relationship between time per unit and the number of units produced in the learning curve formula?
Logarithmic
What is the equivalent of one TMU in terms of minutes?
.0006 minute
What are the basic motions that the Gilbreths concluded all work is done by?
Therbligs
Who coined the term 'Therbligs'?
Frank Gilbreth
Which of the following is NOT classified as one of the three main types of principles of motion economy?
Use of automation
According to the principles of motion economy, what should be the relation of two hands' motions?
Begin and complete at the same time
What is the objective of the principles of motion economy?
Maximize efficiency and minimize worker fatigue
According to the principles concerning the uses of the human body, what should be the motion of arms?
Should be made in opposite and symmetrical direction
What is the purpose of a motion study?
To analyze body motions used in job performance
Which step comes after drawing the precedence diagram in line balancing?
Determining the workstation cycle time
What is the main goal when balancing an assembly line?
To minimize unassigned (idle) time across all workstations
How are tasks assigned to workstations when balancing an assembly line?
By considering time and sequence restrictions
What does work design involve?
Designing methods and motions for task performance
How is the effectiveness of a balance in an assembly line measured?
By using efficiency of the line and balance delay methods
What is the primary objective of methods analysis?
Rearrange elements into a more logical sequence
When is methods design required?
For a new product or service where no standard exists
How is productivity defined?
Output relative to the input used to produce it
What is productivity growth?
The increase in productivity from one period to the next
Which type of productivity considers multiple inputs and outputs?
Multi–Factor Productivity (MFP)
What is the Seven Basic Tools of Quality primarily used for?
Troubleshooting quality-related issues
What is the main difference between a Pareto Chart and a Scatter Diagram?
Pareto Chart displays cumulative percentage, while Scatter Diagram displays values for two variables.
Which tool is referred to as a 'flow diagram'?
Flowchart
What is the main characteristic of Synchronous Servicing?
It utilizes workers and machines simultaneously at regular intervals.
Which type of servicing involves estimating idle time using probability theory?
Random Servicing
What is the objective of Assembly-Line Balancing?
To minimize the imbalance between machines or personnel.
Which tool uses Cartesian coordinates to display values for typically two variables?
Scatter Diagram
Learn about balancing assembly lines by assigning tasks to workstations efficiently. Follow the steps such as drawing a precedence diagram, determining workstation cycle time, calculating the minimum number of workstations, and assigning tasks to balance the assembly line.
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