Avantor Quality Controller Interview Questions and Answers

Q1. Production piping regarding
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Q2. Hydro and erection and commissioning.
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Very tough one not ata all good I can do better

Q1. Salary question
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Q2. Regarding company work
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Q3. About the salary
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Q1. Why should I hire you?
Ans. If you hire me.I show my skills, learning new things and built my career.
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Q2. What is your strength?
Ans. I am self-motivated person, hard work and time management.
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Q3. What is chemistry?
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Chemistry is the study of matter, its properties, composition, and interactions.
• Chemistry involves understanding the structure and behavior of atoms and molecules.

• It explores how substances react with each other and transform into new substances.

• Chemistry is essential in fields like pharmaceuticals, food science, and environmental science.

• Examples include studying the properties of elements on the periodic table and an
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Q4. What is the pH formula?
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The pH formula is used to calculate the acidity or alkalinity of a solution.
• pH = -log[H+]

• pH = -log[H3O+]

• pH = log(1/[H+])

• pH = log(1/[H3O+])
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Q5. How many elements are there in periodic table?
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There are 118 elements in the periodic table.
• There are 118 known elements in the periodic table.

• Elements are organized by atomic number, electron configuration, and recurring chemical properties.

• Examples of elements include hydrogen, oxygen, gold, and uranium.
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Q6. What is noble gases in periodic table?
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Noble gases are a group of chemical elements with very low reactivity and full outer electron shells.
• Noble gases are located in Group 18 of the periodic table.

• They are also known as inert gases because they rarely react with other elements.

• Examples of noble gases include helium, neon, argon, krypton, xenon, and radon.
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Q7. What is the avagadros number?
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Avogadro's number is a constant representing the number of constituent particles (usually atoms or molecules) in one mole of a substance.
• Avogadro's number is approximately 6.022 x 10^23.

• It is named after Italian scientist Amedeo Avogadro.

• It is used in chemistry to relate the mass of a substance to the number of atoms or molecules it contains.
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Q1. What is use of power factor
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Power factor is the ratio of real power to apparent power in an AC circuit.
• Power factor helps in determining the efficiency of an electrical system.

• A high power factor indicates that the system is using power efficiently.

• A low power factor indicates that the system is not using power efficiently and can result in higher energy bills.

• Power factor correction techniques can be used to improve the power factor of a system.

• ...read more
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Q2. What is DG sychronising factors
Ans. 
DG synchronizing factors are the parameters that ensure the proper synchronization of multiple generators in a power system.
• DG synchronizing factors include frequency, voltage, phase angle, and rate of change of frequency.

• These factors must be carefully monitored and adjusted to ensure that the generators are operating in sync and not causing any damage to the power system.

• For example, if the frequency of one generator...read more
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Q1. Tell about yourself and your previous experience
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