40+ QA QC Engineer Interview Questions and Answers for Freshers

Answering questions related to QA QC Engineer position

• If material is purchased from any factory, I will ensure that it meets the required specifications and standards

• I can work for 8-10 hours a day depending on the workload

• I am familiar with plant calibration procedures and can perform them

• The borrow area will be selected based on factors such as soil type, distance from the construction site, and availability

• I manage my juniors by delegating tasks, providing guidance, and mo...read more

Codecs used for video and audio formats vary depending on the specific format.

• H.264 is commonly used for video compression in MP4 and AVI formats

• AAC is a popular audio codec used in MP4 and other formats

• VP9 is used for video compression in WebM format

• Opus is a popular audio codec used in WebM and other formats

Inspecting raw materials and components for quality assurance in engineering projects involves reviewing MTCs, checking various components like shell, dish end, cone, and heat exchangers, offering third-party inspections, following QAP, and conducting visual checks.

• Review Material Test Certificates (MTCs) for compliance with specifications

• Check the dimensions, surface finish, and material composition of plates, pipes, fittings, and flanges

• Inspect the shell for any defects suc...read more

Various tests are conducted on cement and aggregate to ensure their quality and suitability for construction purposes.

• Chemical tests to determine the composition of cement and aggregate

• Physical tests to determine the strength, durability, and consistency of cement and aggregate

• Aggregate tests include sieve analysis, specific gravity, and absorption tests

• Cement tests include setting time, soundness, and compressive strength tests

Validation and verification are quality assurance techniques used to ensure that a product meets its requirements.

• Validation ensures that the product meets the customer's needs and intended use.

• Verification ensures that the product meets the specified requirements and standards.

• Smoke testing is a type of validation testing that checks if the basic functionalities of the product are working.

• Smoke testing is usually done before more comprehensive testing is carried out.

Various welding rod types are applicable for welding carbon steel to stainless steel 310, 316, and 304.

• For welding carbon steel to stainless steel 310, 316, and 304, commonly used welding rod types include E309L, E316L, and E308L.

• E309L welding rods are suitable for welding stainless steel 310 to carbon steel.

• E316L welding rods are ideal for welding stainless steel 316 to carbon steel.

• E308L welding rods are commonly used for welding stainless steel 304 to carbon steel.

An inverter is a device that converts DC power from a battery into AC power for use in appliances. Batteries store electrical energy for later use.

• Inverters convert DC power from batteries into AC power for use in appliances

• Batteries store electrical energy for later use

• Functions of inverters include converting power, regulating voltage, and providing backup power

• Types of batteries include lead-acid, lithium-ion, and nickel-cadmium

PWHT stands for Post Weld Heat Treatment. It is a process used to relieve residual stresses and improve the mechanical properties of welds.

• PWHT is commonly used in the welding industry to prevent cracking and improve the overall quality of welds.

• Post heating and pre heating are processes used before and after welding to control the cooling rate of the material and reduce the risk of cracking.

• PMI stands for Positive Material Identification, a technique used to analyze the comp...read more

The rectification process for hollow laid tiles involves removing the hollow tiles, cleaning the surface, applying fresh adhesive, and re-laying the tiles.

• Identify the hollow tiles by tapping them with a rubber mallet.

• Carefully remove the hollow tiles without damaging the surrounding tiles.

• Clean the surface thoroughly to remove any adhesive residue.

• Apply fresh adhesive to the cleaned surface.

• Re-lay the tiles ensuring they are properly aligned and firmly pressed into place.

• All...read more

A section of beam and slab typically consists of a horizontal slab supported by vertical beams. The depth of the beam is determined based on structural requirements.

• The beam is typically deeper than the slab to provide adequate strength and support

• The depth of the beam is determined based on factors such as span length, load requirements, and structural design

• Reinforcement bars are often used in both the beam and slab for added strength and durability

NTFS is a file system used by Windows operating systems.

• NTFS stands for New Technology File System

• It was introduced with Windows NT in 1993

• It supports large file sizes and has improved security features

• NTFS uses a Master File Table (MFT) to store information about files and directories

• It allows for file compression and encryption

A manual report for remote operation is a written document that details the procedures and results of a remote operation that was performed manually.

• The report should include a description of the operation performed

• It should also include the date and time of the operation

• The report should detail any issues or problems encountered during the operation

• It should also include any corrective actions taken to address these issues

• The report should be signed and dated by the person w...read more

Electrical engineering involves the study of electricity, electronics, and electromagnetism for various applications.

• Ohm's Law: Relates voltage, current, and resistance (V = IR).

• Circuit Theory: Understanding series and parallel circuits, e.g., resistors in series add up their resistances.

• AC vs. DC: Alternating current (AC) changes direction, while direct current (DC) flows in one direction.

• Power Systems: Involves generation, transmission, and distribution of electrical power,...read more

Soil, brick, cement, and aggregate testing are essential for ensuring quality in construction projects.

• Soil testing involves determining the composition, strength, and suitability of soil for construction purposes.

• Brick testing includes assessing the dimensions, compressive strength, water absorption, and efflorescence of bricks.

• Cement testing involves evaluating the setting time, compressive strength, fineness, and soundness of cement.

• Aggregate testing includes analyzing the...read more

The solar system consists of the sun and all the objects that orbit around it, including planets, moons, asteroids, and comets.

• The sun is a star at the center of the solar system

• There are eight planets in the solar system, including Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune

• Moons orbit around planets, such as Earth's moon

• Asteroids are rocky objects that orbit the sun, like the asteroid belt between Mars and Jupiter

• Comets are icy bodies that also orbit t...read more

The size of a solid concrete block can vary depending on its intended use and manufacturer.

• Standard sizes for solid concrete blocks are 8x8x16 inches or 4x8x16 inches

• Blocks can also be custom made to specific dimensions

• Size may also vary based on the type of construction project

I have extensive experience in document and site inspections, as well as quality management.

• I have inspected various documents such as project plans, specifications, and test reports to ensure compliance with standards and regulations.

• I have conducted site inspections to verify that construction activities are in accordance with approved plans and specifications.

• I have implemented quality management systems to ensure that products and services meet customer requirements and i...read more

There are several types of opposition in welding, including joint design, material properties, and welding process.

• Joint design: Different types of joints require different welding techniques and considerations.

• Material properties: The type of material being welded can affect the welding process and the quality of the weld.

• Welding process: There are various welding processes, such as arc welding, resistance welding, and gas welding, each with its own considerations and challe...read more

UAT testing is user acceptance testing, while regression testing is a type of testing to ensure changes don't break existing functionality.

• UAT testing involves testing the system by end-users to ensure it meets their requirements and expectations.

• Regression testing involves testing the system after changes have been made to ensure existing functionality has not been affected.

• UAT testing is typically done towards the end of the development cycle, while regression testing is do...read more

Authorization and authentication are security measures used to control access to resources.

• Authorization determines what a user can access based on their identity and permissions.

• Authentication verifies a user's identity through credentials such as passwords or biometrics.

• Examples of authorization and authentication include login screens, access control lists, and two-factor authentication.

• Authorization and authentication are important for maintaining data privacy and prevent...read more

Manual testing is advantageous in certain scenarios.

• Manual testing is better for exploratory testing and usability testing.

• Manual testing is more flexible and adaptable to changes in requirements.

• Manual testing can be more cost-effective for small projects or one-time tests.

• Manual testing can catch visual and aesthetic issues that automation may miss.

• Manual testing can provide more accurate and detailed feedback on user experience.

• Manual testing can be used to verify the accu...read more

Code to reverse a string

• Use the built-in reverse() function to reverse the string

• Convert the string to an array of characters, reverse the array, and then join the characters back into a string

QA QC Engineers ensure product quality through systematic testing and adherence to standards.

• Understanding of quality assurance methodologies, such as Agile and Waterfall.

• Experience with testing tools like Selenium for automated testing.

• Knowledge of ISO standards, e.g., ISO 9001 for quality management.

• Ability to create and execute test plans and test cases.

• Familiarity with defect tracking tools like JIRA for issue management.

The solar system functions through the gravitational pull of the sun, which keeps planets in orbit and influences their movements.

• The sun's gravity holds the planets in orbit around it

• Each planet has its own orbit and distance from the sun

• Planets also rotate on their axes, causing day and night

• The sun emits energy in the form of light and heat, which sustains life on Earth

Three phase wiring is a type of electrical wiring system that uses three conductors to carry alternating current power.

• Three phase wiring is commonly used in industrial and commercial settings for powering heavy machinery and equipment.

• It consists of three conductors - typically labeled as L1, L2, and L3 - that carry current at 120 degrees out of phase with each other.

• The three phase system provides a more constant and balanced power supply compared to single phase wiring.

• Exa...read more

BBS stands for Behavior-Based Safety. It is a proactive approach to prevent accidents by focusing on employee behavior.

• BBS aims to identify and eliminate unsafe behaviors in the workplace.

• It involves observing and analyzing employee behavior to identify potential risks.

• BBS encourages positive reinforcement and feedback to promote safe behaviors.

• Training and education are essential components of BBS.

• Examples of BBS tools include safety observations, safety audits, and safety m...read more

I prefer not to disclose my current CTC as it is confidential.

• I believe that my salary expectations are in line with industry standards for this position.

• I am more interested in discussing the responsibilities and opportunities of this role.

• I am open to negotiation based on the overall compensation package offered.