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Quality Control and Assurance

Description: This quiz will test your knowledge of Quality Control and Assurance.
Number of Questions: 15
Created by:
Tags: quality control quality assurance manufacturing engineering
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What is the primary objective of quality control?

  1. To ensure that products meet customer requirements

  2. To reduce production costs

  3. To increase production speed

  4. To improve product quality

Show answer
Correct Option: A
Explanation:

The primary objective of quality control is to ensure that products meet customer requirements. This is done by inspecting products and ensuring that they conform to the specifications set by the customer.

What is the difference between quality control and quality assurance?

  1. Quality control is focused on preventing defects, while quality assurance is focused on detecting defects

  2. Quality control is focused on the final product, while quality assurance is focused on the entire production process

  3. Quality control is focused on internal processes, while quality assurance is focused on external processes

  4. Quality control is focused on short-term goals, while quality assurance is focused on long-term goals

Show answer
Correct Option: A
Explanation:

Quality control is focused on preventing defects from occurring in the first place, while quality assurance is focused on detecting defects that have already occurred. Quality control is typically carried out by inspectors, while quality assurance is typically carried out by auditors.

What are the three main types of quality control?

  1. Inspection, testing, and measurement

  2. Statistical process control, acceptance sampling, and design of experiments

  3. Gage repeatability and reproducibility, process capability, and measurement system analysis

  4. All of the above

Show answer
Correct Option: D
Explanation:

The three main types of quality control are inspection, testing, and measurement; statistical process control, acceptance sampling, and design of experiments; and gage repeatability and reproducibility, process capability, and measurement system analysis.

What is the purpose of inspection?

  1. To detect defects

  2. To prevent defects

  3. To improve product quality

  4. To reduce production costs

Show answer
Correct Option: A
Explanation:

The purpose of inspection is to detect defects in products. This is done by visually examining products, using measuring instruments, or conducting tests.

What is the purpose of testing?

  1. To detect defects

  2. To prevent defects

  3. To improve product quality

  4. To reduce production costs

Show answer
Correct Option:
Explanation:

The purpose of testing is to evaluate the quality of products. This is done by conducting tests to determine whether products meet the specifications set by the customer.

What is the purpose of measurement?

  1. To detect defects

  2. To prevent defects

  3. To improve product quality

  4. To reduce production costs

Show answer
Correct Option:
Explanation:

The purpose of measurement is to determine the dimensions of products. This is done using measuring instruments, such as rulers, calipers, and micrometers.

What is statistical process control?

  1. A method for controlling the quality of a process

  2. A method for detecting defects in products

  3. A method for improving product quality

  4. A method for reducing production costs

Show answer
Correct Option: A
Explanation:

Statistical process control is a method for controlling the quality of a process by monitoring and adjusting the process parameters.

What is acceptance sampling?

  1. A method for controlling the quality of a process

  2. A method for detecting defects in products

  3. A method for improving product quality

  4. A method for reducing production costs

Show answer
Correct Option: B
Explanation:

Acceptance sampling is a method for detecting defects in products by inspecting a sample of products.

What is design of experiments?

  1. A method for controlling the quality of a process

  2. A method for detecting defects in products

  3. A method for improving product quality

  4. A method for reducing production costs

Show answer
Correct Option: C
Explanation:

Design of experiments is a method for improving product quality by identifying the factors that affect product quality and optimizing those factors.

What is gage repeatability and reproducibility?

  1. A measure of the accuracy of a measuring instrument

  2. A measure of the precision of a measuring instrument

  3. A measure of the reliability of a measuring instrument

  4. All of the above

Show answer
Correct Option: D
Explanation:

Gage repeatability and reproducibility is a measure of the accuracy, precision, and reliability of a measuring instrument.

What is process capability?

  1. The ability of a process to produce products that meet customer requirements

  2. The ability of a process to produce products that are free of defects

  3. The ability of a process to produce products that are consistent in quality

  4. All of the above

Show answer
Correct Option: D
Explanation:

Process capability is the ability of a process to produce products that meet customer requirements, are free of defects, and are consistent in quality.

What is measurement system analysis?

  1. A method for evaluating the accuracy of a measuring instrument

  2. A method for evaluating the precision of a measuring instrument

  3. A method for evaluating the reliability of a measuring instrument

  4. All of the above

Show answer
Correct Option: D
Explanation:

Measurement system analysis is a method for evaluating the accuracy, precision, and reliability of a measuring instrument.

What is the difference between quality control and quality assurance?

  1. Quality control is focused on the final product, while quality assurance is focused on the entire production process

  2. Quality control is focused on internal processes, while quality assurance is focused on external processes

  3. Quality control is focused on short-term goals, while quality assurance is focused on long-term goals

  4. All of the above

Show answer
Correct Option: D
Explanation:

Quality control is focused on the final product, while quality assurance is focused on the entire production process. Quality control is focused on internal processes, while quality assurance is focused on external processes. Quality control is focused on short-term goals, while quality assurance is focused on long-term goals.

What are the three main types of quality control?

  1. Inspection, testing, and measurement

  2. Statistical process control, acceptance sampling, and design of experiments

  3. Gage repeatability and reproducibility, process capability, and measurement system analysis

  4. All of the above

Show answer
Correct Option: D
Explanation:

The three main types of quality control are inspection, testing, and measurement; statistical process control, acceptance sampling, and design of experiments; and gage repeatability and reproducibility, process capability, and measurement system analysis.

What is the purpose of inspection?

  1. To detect defects

  2. To prevent defects

  3. To improve product quality

  4. To reduce production costs

Show answer
Correct Option: A
Explanation:

The purpose of inspection is to detect defects in products. This is done by visually examining products, using measuring instruments, or conducting tests.

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