Mechanical Engineering Portal

Thermit welding is the joining process in which heat required for melting and joining of components is obtained due to the exothermic chemical reaction. When ignition powder is initiated using the matchbox, the heat generated due to the burning of igniting powder is u…

The following are the factors that influence the compressed ignition (CI) engine cycle: Non-constant pressure combustion of the fuel Dissociation Blow-down losses Pumping losses 1. Non-constant pressure combustion of the fuel: In the basic…

The following are the critical dimensions and geometries concerned with toothed gear: Pitch Circle : A pitch circle is an apparent circle in which two gears can be taken like smooth cylinders rolling without friction. Addendum Circle : The addendum circle is the …

Material Requirement Planning (MRP) is a computer-based inventory management technique for determining the quantity and timing of acquisitions of dependent demand items needed to satisfy master schedule requirements. The Terminology used in MRP is: Dependent Deman…

The purpose of having a brake system is used in automobiles to slow down or stop the vehicle by converting its kinetic energy into heat energy. Classification of Brake system: 1.Based on mode of actuation: The foot pedal operates the foot brake (also called the m…

The highway or the road structure must be designed carefully for the traffic load to be carried, physical and geological features, climatic conditions of the locality, and various other factors that would affect the stability and utility of the highway roads. For desi…

In physics,   energy   is defined as a property of objects that can be transferred from one object to another or converted into different forms of energy. Energy is the capacity to do work, generating heat and emitting light. Heat is the ability to change an object&#…