Category Archives: Mechanical Engineering

Fundamental Units Definition

Definition: The Measurements of physical quantities is one of the most important operations in engineering. Every quantity is measured in terms of some arbitrary by internationally accepted units called fundamental units.

Why Solar Power is Growing So Fast?

A few years ago, solar energy was something of a rarity. Spotting solar panels was an achievement, and you might only see them on roadside. Now, they have started to infiltrate even cozy suburbs as homeowners take advantage of the cost savings they can get from using solar energy. Thanks to this boom in popularity,… Read More »

Comparison of Reciprocating and Rotary Air Compressors

Comparison of Reciprocating and Rotary Air Compressors Reciprocating Air Compressor               Rotary Air Compressor The maximum delivery pressure may b as high as 1000 bar. The maximum delivery pressure is 10 bar only. The maximum free air discharge is about 300m3/min The maximum free air discharge is as high as 3000m3/min. They are suitable for… Read More »

Comparision of Petrol and Diesel Engine

Petrol Engines Diesel Engines A petrol Engine draws a mixture of petrol and air during suction stroke. A diesel Engine draws only air during suction stroke. The Carburettor is employed to mix air and petrol in the required proportion and to supply it to the engine during suction stroke. The injector or atomiser is employed… Read More »


Any change that a system undergoes from one equilibrium state to another is called a process, and the series of states through which a system passes during a process is called the path of the process (Fig. 1–26). To describe a process completely, one should specify the initial and final states of the process, as… Read More »