Navitasys India Quality Controller Interview Questions and Answers for Freshers

Q1. What is QA and QC How many types you know
Ans. 
QA is Quality Assurance and QC is Quality Control. There are three types of QA and two types of QC.
• QA is the process of ensuring that the product meets the specified requirements and standards.

• QC is the process of ensuring that the product meets the desired quality level.

• Types of QA: Unit testing, Integration testing, System testing.

• Types of QC: Inspection, Testing.

• QA is proactive while QC is reactive.
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Domain Topic Objective Type Analytical 2 Hours duration

Q1. Domain knowledge related
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Q2. Analytical skills situation analysis
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Q1. What is transformer bukolz relays working
Ans. 
Bukholz relay is a protective device used in oil-immersed transformers to detect the faults inside the transformer.
• Bukholz relay is installed in the oil conservator tank of the transformer.

• It detects the faults like overheating, overloading, and short circuits inside the transformer.

• It works on the principle of gas detection and oil flow detection.

• It sends an alarm signal to the control room in case of any fault detect...read more
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Q2. Alternate current and direct current
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Q1. What is feeder and service mains
Ans. 
Feeder and service mains are electrical components used in power distribution systems.
• Feeder is a circuit that carries electrical power from a distribution panel to various subpanels or loads.

• Service mains refer to the conductors that connect the utility power supply to the main electrical panel of a building.

• Feeder and service mains are typically made of copper or aluminum and are sized based on the electrical load re...read more
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Q2. Single line diagram generating stations to substations
Ans. 
Single line diagram shows the electrical connections between generating stations and substations.
• Single line diagram is a simplified representation of the electrical system.

• It shows the flow of electricity from the generating station to the substation.

• It includes transformers, circuit breakers, and other electrical equipment.

• The diagram helps in understanding the electrical system and identifying potential issues.

• Examp...read more
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Q3. What is insulator type of insulators
Ans. 
Insulator type of insulators are materials that do not conduct electricity.
• Insulator type of insulators are used to prevent the flow of electricity.

• They are made of materials such as rubber, glass, porcelain, and plastic.

• Examples of insulator type of insulators include electrical wires coated in rubber or plastic, glass insulators on power lines, and porcelain insulators on high voltage power lines.
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Q1. What is Quality Engineer
Ans. 
A Quality Engineer is responsible for ensuring that products and services meet the required quality standards.
• Develop and implement quality control systems

• Conduct audits to ensure compliance with regulations and standards

• Identify and resolve quality issues

• Collaborate with cross-functional teams to improve processes

• Provide training on quality control procedures

• Examples: ensuring a car meets safety standards, verifying a
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Q2. How do you fix the machine
Ans. 
To fix a machine, I would first identify the problem and then follow a systematic approach to troubleshoot and repair the issue.
• Identify the problem by observing the machine and checking for error codes or messages

• Refer to the machine's manual or technical documentation for troubleshooting steps

• Perform basic maintenance tasks such as cleaning and lubricating the machine

• Replace any faulty or worn out parts

• Test the machi...read more
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Q3. How to repair machine
Ans. 
To repair a machine, first identify the problem and then follow the appropriate repair procedures.
• Identify the problem by observing the machine's behavior and consulting the manual.

• Follow the appropriate repair procedures outlined in the manual or by a qualified technician.

• Use the correct tools and replacement parts to ensure proper repair.

• Test the machine after repair to ensure it is functioning properly.

• Perform regul
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Q1. What is measure in frequency
Ans. 
Frequency measures how often an event occurs within a given time period.
• Frequency is a measure of how often something happens or repeats.

• It is typically expressed in terms of cycles per second or Hertz (Hz).

• Frequency can be measured in various domains such as physics, electronics, and statistics.

• In physics, frequency refers to the number of oscillations or vibrations per unit of time.

• In electronics, frequency is used t...read more
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Q2. What is company manufacture this product
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Q1. What is the company profile
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Q1. Why should be company
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Q1. What is Digital electronics?
Ans. 
Digital electronics is a branch of electronics that deals with digital signals and systems.
• Digital electronics uses binary digits (0s and 1s) to represent information.

• It involves designing, analyzing, and troubleshooting digital circuits.

• Examples include logic gates, flip-flops, and microprocessors.
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Q2. What is Analog system?
Ans. 
An analog system is a system that represents data using continuous values.
• Analog systems use physical quantities to represent information.

• Analog signals can have an infinite number of values within a range.

• Examples include analog watches, analog thermometers, and analog audio signals.
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Q3. What is importance of microprocessor in electronic devices?
Ans. 
Microprocessors are essential components in electronic devices, serving as the brain of the system.
• Microprocessors control the operations of electronic devices by executing instructions and processing data.

• They enable devices to perform complex tasks quickly and efficiently.

• Examples of devices with microprocessors include smartphones, laptops, and smart home appliances.

• Microprocessors play a crucial role in enhancing t...read more
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Q4. Why you want to join our company?
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Q1. Self introduction
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Q2. Work experience
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