Solid Fuels
The natural solid fuels are wood, peat, lignite or brown coal, bituminous coal and anthracite coal. The prepared solid fuels are wood charcoal, coke, briquetted coal and pulverised coal. These…
Super Alloys
Super alloys are important in high temperature applications; hence, they are also known as heat-resistant or as high-temperature alloys. Applications: Major applications of this alloys are in reciprocating engines, in rocket engines,…
Refrigerant
A refrigerant is a substance or mixture, usually a fluid, used in a heat pump and refrigeration cycle that can extract heat from another body or substance. Ice, cold water,…
Properties of Good Lubricants
A lubricant is a substance introduced to reduce frictional force and heat generation between the surfaces in mutual contact, when the surfaces move. A good lubricating oil generally possess the…
Second Law of Thermodynamics
The application of first law of thermodynamics process led to the establishment of a new property named internal energy (U), the application of the second law to a process leads to the…
Properties of Commonly Used Refrigerants
1. Carbon dioxide: Carbon dioxide is widely as refrigerant in mechanical systems refrigerant, marine services, hospitals etc. due to its excellent safety properties. It is odourless, non-toxic, non-flammable, non-explosive and…
Important Expressions used in Orifices and Mouthpieces
The following are the important expressions used in orifices and mouthpieces including discharge through large rectangular orifice, discharge through wholly submerged orifice, and more: (a) Discharge through a large rectangular orifice,…
Types of Internal Combustion Engines
Internal combustion engines can be classified into a large number of types based on several criteria. The classification of IC engines is given below: 1. Based on the fuel used · Diesel Engine · Petrol…
Mechanising the infusion process. Direct-Infusion
· The controlled delivery of resin directly into the fibre under a vacuum bag without any intermediate containers. · Control of resin mixing ratio, flow rate, and mould inlet pressure. · Use of…
Non-ferrous Metals and Alloys
Non-ferrous metals and alloys - We have already discussed that the non-ferrous metals are those which contain a metal other than iron as their chief constituent. The various non-ferrous metals…
