Hindustan Aeronautics Engineer Interview Questions and Answers

Multiple Choice Question consists of respective engineering dicipline and aptitude

Q1. What is fluid dynamics
Ans. 
Fluid dynamics is the study of how fluids behave and interact with their environment.
• It involves the study of fluid motion, pressure, and forces.

• Applications include aerodynamics, hydrodynamics, and weather forecasting.

• Important equations include the Navier-Stokes equations and Bernoulli's principle.

• Fluid dynamics plays a crucial role in many engineering fields, such as aerospace and civil engineering.
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Q2. What is enthalpy and entropy
Ans. 
Enthalpy is the heat content of a system while entropy is the measure of disorder or randomness in a system.
• Enthalpy is the sum of internal energy and the product of pressure and volume.

• Entropy is a measure of the number of possible arrangements of a system.

• Enthalpy is used in thermodynamics to describe heat transfer in chemical reactions.

• Entropy is used to predict the direction of chemical reactions and the efficiency
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