STUDY4MECHANICAL for Mechanical Engineers

In the subject thermodynamics, there are two often discussed concepts that are mostly used in many industrial practical applications. These concepts are the adiabatic and isothermal processes. Both of these processes are opposite sides of the coin. Before we start our discussion on the difference between them. First of all, we must know what is the adiabatic process? and what is the isothermal process? What is the adiabatic process? A process without transfer of heat or mass between a thermodynamic system and surroundings.  An adiabatic process, in which the working substance neither receives nor given out heat or mass to the surroundings, during the expansion or compression is called an adiabatic process. What is the isothermal process? The process in which the temperature of the working substance remains constant during its expansion or compression is called isothermal or constant-temperature process. Difference between adiabatic and isothermal process: ...

Some important point on the difference between characteristics gas constant and universal gas constant are explained below. Let us check out one by one below. You can also check out characteristics equation of gas , and general gas equation to know more about it. Difference between characteristics gas constant and universal gas constant: Constant gas characteristics vary from gas to gas but the constant of universal gas is fixed. If you working at human scales, then use universal gas constant, whereas if you want to gas constant that defined per unit mass of a specific gas, then use the specific gas constant.  The characteristic gas constant in equation P = RT is the value of R for a given gas for use. It is equal to the constant of universal gas divided by the molar mass of the particular gas. Characteristics gas Constant applicable for an ideal gas, whereas universal gas constant applicable for a real gas.  Units: Characteristics gas constant - k J / kg K an...

The thermodynamic system can be classifier in three ways open systems, closed systems, and isolated system. The main difference between open and closed system is that the matter can be exchanged with the surrounding in case of an open system, whereas matter cannot be exchanged with the surrounding in the closed system. Now let us check out some more difference between them in details below to know more about it.  What is an open system? The thermodynamic system where energy and matter can be exchanged with its surrounding.  What is a closed system? The thermodynamic system where only energy can be exchanged with its surrounding.  Difference between open and closed system: Mass of the system will change with time in an open system, whereas it is constant in case of a closed system.  An open system has boundaries which are not closed, and boundaries are completely closed in a closed system.  In an open system, difficult to control ...

Moment and  torque are key concepts often encountered by students studying mechanics. These terms also confused students most often because of the similarity between them. There are some similarities between moment and torque but there are noticeable differences too. The difference between them will be explained in this article. Let us check out points on the difference between a moment and the torque discussed below. What is a couple OR moment?   In mechanics, a couple refers to two equal and opposite forces, whose line of action is different from a couple. The couple also called a force couple or pure moment. What is Torque? The twisting force that causes motion is known as torque refers to the turning effect. The point of the rotation of the object is called the axis of rotation. The concept of torque originated with the studies by Archimedes when ideas of the usage of the levers. Points on the difference between moment and torque: The m...

Torque and torsion are key concepts often encountered by students studying mechanics.  These terms also confused students most often because of the similarity between them. There are some similarities between torque and torsion but there are noticeable differences too. The difference between them will be explained in this article. Let us check out points on the difference between torque and torsion discussed below.  What is Torque? The twisting force that causes motion is known as torque refers to the turning effect. The point of the rotation of the object is called the axis of rotation. The concept of torque originated with the studies by Archimedes when ideas of the usage of the levers. What is Torsion? The action of twisting or the state of being a twist of the one end of an object related to another end. The torsion is the twisting of an object due to an applied torque.  Points on the difference between torque and torsion: Torque is twistin...

Torque and couple are key concepts often encountered by students studying mechanics. These terms also confused students most often because of the similarity between them. There are some similarities between torque and couple but there are noticeable differences too. The difference between them will be explained in this article. Let us check out points on the difference between torque and the couple discussed below.  What is Torque? The twisting force that causes motion is known as torque refers to the turning effect. The point of the rotation of the object is called the axis of rotation. The concept of torque originated with the studies by Archimedes when ideas of the usage of the levers. What is a Couple? In mechanics, a couple refers to two equal and opposite forces, whose line of action is different from a couple. The couple also called a force couple or pure moment. Points on the difference between torque and couple:  The couple is two equa...

Moment and couple are two important concepts found in mechanics. They both terms describe the effect and cause of rotation in the system of forces , particle systems, and rigid bodies too.  What is a moment of a force? The turning effect produced by a force applied to a rotational system or on the body at a distance from the axis of rotation is called the moment of force . The moment of a force is the product of the force and the perpendicular distance of the point, about which the moment is required and the line of action of the force. What is a couple OR moment of a couple?   In mechanics, a couple refers to two equal and opposite forces, whose line of action is different from a couple . The couple also called a force couple or pure moment.  Points of difference between moment and couple are discussed below. So let us check out some key differences between them to know more about it.  Difference between moment and couple: ...

Couple:  The couple is a system of two forces that are equal in magnitude, opposite in direction and have a line of action are parallel.  Moment of a couple: Moment of a couple is the product of the magnitude of one of the forces that make up the couple and the perpendicular distance between their parallel lines of action. It is a measure of the capacity of the couple to cause rotation.