Air Liquide Interview Questions and Answers for Freshers

Normal maths ,time and work questions

Q1. Instrument transformer, current transformer, power flow questions and basic electrical
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Q1. Toll and Technical
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Written aptitude test was taken. Difficulty level was moderate. Negative marking was there.

Q1. Draw the Oxygen atomic structure
Ans. 
Oxygen has 8 protons, 8 neutrons, and 8 electrons arranged in its atomic structure.
• Oxygen has an atomic number of 8, which means it has 8 protons.

• The atomic mass of Oxygen is approximately 16, so it has 8 neutrons.

• Oxygen has 8 electrons distributed in 2 electron shells, with 2 in the first shell and 6 in the second shell.
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Q2. Tell about specific density?
Ans. 
Specific density is the ratio of the density of a substance to the density of a reference substance.
• Specific density is a dimensionless quantity.

• It is calculated by dividing the density of the substance by the density of the reference substance.

• Common reference substances for specific density include water and air.

• Specific density is used in various fields such as engineering, physics, and chemistry.
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Verbal, reasoning , Quantitative analysis, Technical

Q1. Thermodynamics,Fluid mechanics , production
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Q2. What is turbine? What is specific heat?
Ans. 
A turbine is a machine that converts the energy of a moving fluid (water, steam, gas) into mechanical energy.
• Turbines are commonly used in power plants to generate electricity.

• There are different types of turbines such as steam turbines, gas turbines, and hydraulic turbines.

• The blades of a turbine are designed to capture the energy of the fluid and rotate the shaft connected to a generator.

• Turbines are also used in air...read more
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