What is Avogadro’s Law? Avogadro’s Law is a fundamental principle in chemistry that describes the relationship between the volume and amount (number of moles) of a gas at constant temperature and pressure. This law is named after Amedeo Avogadro, an Italian scientist who first proposed it in the early 19th century. The law can be …
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What is Joule’s Law? Joule’s Law refers to different principles in different scientific contexts, so I’ll address the two main areas where this term is commonly used: It’s important to note that the term “Joule’s Law” is used in different contexts, and the specific meaning may vary depending on whether it is applied to electrical …
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What is Perfect Gas? A perfect gas, also referred to as an ideal gas, is a hypothetical concept in physics and thermodynamics used to model the behavior of gases under certain conditions. The ideal gas model provides a simplified and convenient approach to understanding the thermodynamic properties of gases in various processes. The key characteristics …
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Steady Flow Energy Equation The Steady Flow Energy Equation (SFEE) is a fundamental equation in fluid mechanics and thermodynamics used to analyze the energy changes within a fluid as it undergoes a steady flow process. It is commonly applied to devices such as turbines, pumps, compressors, and nozzles. The equation is derived from the First …
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Explain Clausius Statement The Clausius Statement is one of the formulations of the second law of thermodynamics, providing insights into the directionality of heat transfer in natural processes. This statement is named after the German physicist Rudolf Clausius, who played a significant role in developing the foundations of thermodynamics. The Clausius Statement can be succinctly …
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What is Kelving-Planck Statement The Kelvin-Planck statement is one of the formulations of the second law of thermodynamics and is named after Lord Kelvin and Max Planck, who independently contributed to its development. The statement is specifically associated with the limitations of heat engines. The Kelvin-Planck statement can be expressed as follows: No heat engine …
Here are the top 50 Automobile Engineering Interview Questions & Answers that are frequently asked in interviews. Please go through all the questions to gain knowledge and command over the important topics. 1. What is meant by ‘engine torque,’ and how is it measured? Engine torque is the measure of the rotational force an engine …
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Explain Modes of Energy Transfer Modes of energy transfer refer to the various mechanisms by which energy can be exchanged between different systems or within a system. In the context of thermodynamics, there are three primary modes of energy transfer: conduction, convection, and radiation. These modes of energy transfer are often encountered simultaneously in real-world …
What is Absolute Temperature? Absolute temperature refers to temperature measured on the Kelvin scale, denoted by the unit “kelvin” and symbolized as “K.” The Kelvin scale is an absolute temperature scale, which means it starts from absolute zero, the lowest possible temperature at which particles have minimal kinetic energy. Key points about absolute temperature The …
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What is Pressure? Pressure: Pressure is a fundamental thermodynamic property that characterizes the force exerted per unit area. In thermodynamics, pressure plays a crucial role in describing the state of a system, particularly in gases and fluids. It is defined mathematically as the force applied perpendicular to the surface of an object divided by the …
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