Dabur Intern Interview Questions and Answers

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Q1. Why pipes are always circular
Ans. 
Pipes are circular because the circular shape is the most efficient for containing and transporting fluids.
• Circular shape provides the most efficient flow of fluids with minimal resistance

• Circular shape evenly distributes pressure along the pipe walls

• Circular shape is easier to manufacture and install compared to other shapes

• Circular shape allows for easier cleaning and maintenance

• Examples: water pipes, sewer pipes, ga
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Q2. What is Gibbs free energy
Ans. 
Gibbs free energy is a thermodynamic potential that measures the maximum reversible work that may be performed by a system at constant temperature and pressure.
• Gibbs free energy is denoted by the symbol G.

• It takes into account both the enthalpy and entropy of a system.

• A negative Gibbs free energy indicates a spontaneous reaction.

• It is used to predict the feasibility of a chemical reaction.

• The formula for Gibbs free ene...read more
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Q3. What is entropy
Ans. 
Entropy is a measure of disorder or randomness in a system.
• Entropy increases as the system becomes more disordered.

• It is a thermodynamic quantity that is related to the number of possible arrangements of particles in a system.

• Entropy can also be thought of as a measure of the amount of energy in a system that is not available to do work.

• An example of entropy is the melting of ice into water, where the solid ice has low
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Q4. Which cross section is suitable for shaft on which hoist is mounted
Ans. 
The suitable cross section for a shaft on which a hoist is mounted is typically circular due to its strength and ability to handle torsional loads.
• Circular cross section is commonly used for shafts due to its strength and ability to handle torsional loads

• Other cross sections like square or hexagonal can also be used depending on specific requirements

• The material of the shaft also plays a crucial role in determining the
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