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Heat is a form of energy that results in a change in temperature or state of the system.
Work refers to an activity that is being done on or by the system with the involvement of energy. Energy is the capacity to do work and is analogous to domestic currency.
Both Work and heat (energy) are measured in Joules.
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What is the properties of cutting tool material?
Harder than work piece High thermal conductivity High heat transfer coefficient
What are the properties of heat resistant cast iron?
It has austenitic matrix with very good heat and corrosion resistance properties upto 1500 F
What are the thermophysical properties of human hair?
The thermophysical properties of human hair include thermal conductivity, specific heat capacity, and moisture content. Human hair typically has low thermal conductivity, which means it does not conduct heat well, making it a good insulator. Its specific heat capacity allows it to absorb and retain heat, while the moisture content can significantly affect its properties, influencing factors such as tensile strength and elasticity. Additionally, hair can vary widely in these properties depending on factors like hair type, health, and environmental conditions.
Can scientists construct an engine that does nothing but convert heat to useful work?
Yes - with certain limitations. You can convert part of the heat - not all of the heat - into useful work, if there is a heat difference. The remainder of the heat (from the hot container) gets passed to the cold container. You CANNOT convert ALL the heat into useful work, nor can you convert heat into useful work if there is no heat difference. All this would contradict the Second Law of Thermodynamics, and it is very unlikely that this law will ever be violated.
A heat engine is able to convert its entire heat source into work?
False
Why work and heat transfer are not property of the system?
irstly from Thermodynamics point of view, we need to call heat as Heat transfer. Both Heat and work transfer are energies in transit. They come into picture only when a process is taking place. Also the quantity of heat transfer depends on the type of process or path followed. So Heat Transfer is a path function but not a property(which is a point function). 📷 In case of properties, the difference in properties (here P2-P1 or V2- V1)between state 1 and state 2 always remains same irrespective of the path followed. So properties are called Exact Differentials or Point functions. But in case of Heat transfer and Work transfer, the quantity of heat and work transfer between state 1 and state 2 depends on the path followed. Therefore heat and work transfer are not exact differentials,they are Inexact differentials or path functions.
What is the properties and uses copper?
Copper is an excellent conductor of electricity and heat is one of the properties of copper and it is used in conducting heat.
What properties do wool fabrics have?
Mostly good heat insulation properties.
Are heat and work path functions?
No, heat and work are not path functions. Heat and work are energy interactions between a system and its surroundings that depend on the process taken, not just the initial and final states. Path functions are properties whose values depend on the path followed to reach that state, such as change in temperature.
What is the properties of cutting tool material?
Harder than work piece High thermal conductivity High heat transfer coefficient
Is Thermodynamics the study of the relationships among heat work and other forms of energy?
Yes this is correct."Thermodynamics is the study of the relationships among heat, work and other forms of energy."
What are the function of solar cooker with reference to heat properties?
Ce to heat property
How does a convectional oven work?
Convection ovens have a fan in them which circulates the air. That makes for faster cooking (20%)
What are the properties nylon?
Heat resistanceFlexibleDries quickly
Is Bad conductor of heat properties of a a metal?
No.
A heat engine is a device that converts work into heat?
No, a heat engine is not a device that converts work into heat. It is the opposite, which means it is a device that converts heat into work.
The science term thermodynamics is best defined as which of these?
Thermodynamics is the branch of physics that deals with the relationships between heat, work, and energy. It focuses on how energy is transferred as heat and work in physical systems, and it helps explain the behavior of gases, liquids, and solids in terms of their thermal properties.
