Top Most Quality Interview Questions

1 :- How you will define “Quality” ?

Quality can be defined as the condition achieved when an item, service, or process meets or exceeds the user’s requirements and expectations.

2 :- How you will define quality engineering?

Quality Engineering is defined as “the branch of engineering which deals with the principles and practice of product and service quality assurance and quality control.”

3 :- What is difference between QA, QC?

Quality Assurance (QA): QA refers to the planned and systematic way of monitoring the quality of process which is followed to produce a quality product. QA tracks the outcomes and adjusts the process to meet the expectation.

Quality Control (QC): Concern with the quality of the product. QC finds the defects and suggests improvements. The process set by QA is implemented by QC. The QC is the responsibility of the tester.

4 :- When to start QA in a project?

A good time to start the QA is from the beginning of the project startup. This will lead to plan the process which will make sure that product coming out meets the customer quality expectation. QA also plays a major role in the communication between teams. It gives time to step up the testing environment. The testing phase starts after the test plans are written, reviewed and approved.

5 :- What is destructive testing, and what are its benefits?

Destructive testing includes methods where material is broken down to evaluate the mechanical properties, such as strength, toughness and hardness. For example, finding the quality of a weld is good enough to withstand extreme pressure and also to verify the properties of a material.

Benefits of Destructive Testing (DT)
Verifies properties of a material
Determines quality of welds
Helps you to reduce failures, accidents and costs
Ensures compliance with regulations

6 :- What is the testing lifecycle?

There is no standard testing life cycle, but it is consist of following phases:

Test Planning (Test Strategy, Test Plan, Test Bed Creation)·
Test Development (Test Procedures, Test Scenarios, Test Cases)·
Test Execution·
Result Analysis (compare Expected to Actual results)·
Reporting· Defect Tracking ·

7 :- What are responsibilities of the quality engineer’s ?

The Quality Engineer’s responsibilities include:

1. Development and operation of quality control systems.
2. Application and analysis of testing and inspection procedures.
3. Ability to use metrology and statistical methods to diagnose and correct improper quality control practices. understanding of human factors and motivation.
4. familiarity with quality cost concepts and techniques.
5. knowledge and ability to develop and administer management information systems.
6. Ability to audit quality systems for deficiency identification and correction.
7. Understanding and familiarity with product quality.
8. knowledge and familiarity with industry specifications/codes/standards.

The Quality Engineer would therefore be responsible for assuring the implementation of a Quality Management System in the company, as well as for the maintenance of the Quality Management System.

7 :- What is Control Chart ?

Control charts are commonly used in quality control in industries to maintain a continuous evaluation of the manufacturing process. Control chart is simply a frequency distribution of the observed values plotted as points in order of occurrence so that each value has its own identity relative to the time of observation. Points on the control charts may or may not be connected.

The chart is provided with limit lines, called control limits, having, in general, one upper control limit and one lower control limit. A process is said to be in control if the observed values are influenced only by chance causes fall within the limits and out of control
when assignable causes seem to be operating in the system and the observed value fall outside the limits.

8 :- What are elements of a QA/QC system ?

The following are the major elements to be considered in the development of a QA/QC system to be implemented in tracking inventory compilation:

• An inventory agency responsible for coordinating QA/QC activities;
• A QA/QC plan;
• General QC procedures (Tier 1);
• Source category-specific QC procedures (Tier 2);
• QA review procedures;
• Reporting, documentation, and archiving procedures.

For purposes of the QA/QC system, the Tier 2 QC approach includes all procedures in Tier 1 plus additional source category-specific activities.

9 :- What do means by inventory agency ?

The inventory agency is responsible for coordinating QA/QC activities for the national inventory. The inventory agency may designate responsibilities for implementing and documenting these QA/QC procedures to other agencies or organisations. The inventory agency should ensure that other organisations involved in the preparation of the inventory are following applicable QA/QC procedures.

The inventory agency is also responsible for ensuring that the QA/QC plan is developed and implemented. It is good practice for the inventory agency to designate a QA/QC coordinator, who would be responsible for ensuring that the objectives of the QA/QC programme are implemented.

10 :- Can you explain QA/QC plan ?

A QA/QC plan is a fundamental element of a QA/QC system, and it is good practice to develop one. The plan should, in general, outline QA/QC activities that will be implemented, and include a scheduled time frame that follows inventory preparation from its initial development through to final reporting in any year. It should contain an outline of the processes and schedule to review all source categories.

The QA/QC plan is an internal document to organise, plan, and implement QA/QC activities. Once developed, it can be referenced and used in subsequent inventory preparation, or modified as appropriate (i.e. when changes in processes occur or on advice of independent reviewers). This plan should be available for external review.

In developing and implementing the QA/QC plan, it may be useful to refer to the standards and guidelines
published by the International Organization for Standardization (ISO), including the ISO 9000 series . Although ISO 9000 standards are not specifically designed for emissions inventories, they have been applied by some countries to help organise QA/QC activities.