Recap Topik 3.3 & 3.4

What is the main purpose of Quality Control (QC)?

• a) To check the cost of production
  
  
  

• b) To achieve, sustain, and improve product/service quality

• c) To increase company profit only

• d) To hire skilled workers only

A histogram is mainly used to:

• a) Rank problems in order of importance

• b) Show frequency distribution of data

• c) Display cause-effect relationships

• 
  d) Monitor process variations over time

The Pareto principle (80/20 rule) means:

• a) 80% of workers cause 20% of defects

• b) 80% of results come from 20% of the causes

• c) 20% of products are always defective

• d) 80% of costs come from 80% of resources

Which QC tool was developed by Kaoru Ishikawa in 1943?

• a) Scatter Diagram

• b) Control Chart

• c) Cause-and-Effect Diagram

• d) Flow Chart

6. What is the main goal of Total Quality Management (TQM)?

• a) Reduce number of workers

• b) Continuous improvement and customer satisfaction

• c) Lower product price only

• d) Produce maximum stock for safety

Kaizen, a Japanese philosophy in TQM, means:

• a) Just-in-time production

• b) Continuous improvement

• c) Product standardization

• d) Quality inspection only

Which of the following is NOT part of the 5S system?

• a) Sort (Seiri)
  

• b) Shine (Seiso)
  

• c) Standardize (Seiketsu)
  

• d) Simplify (Shunkan)

In JIT (Just-In-Time), the main goal is to:

• a) Produce goods in advance to meet demand
  

• b) Reduce waste by producing only what is needed, when needed
  

• c) Train workers to multitask
  

• d) Increase product inventory for safety

Which cycle is closely related to Kaizen for continuous improvement?

• a) DMAIC Cycle
  

• b) Fishbone Cycle
  

• c) PDCA Cycle (Plan, Do, Check, Act)
  

• d) SPC Cycle

11. A lecturer wants to quickly know how many students score in each range of marks in an exam. Which QC tool is most suitable?

• a) Flow Chart
  

• b) Histogram
  

• c) Scatter Diagram
  

• d) Pareto Chart