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A four-stroke engine is an internal combustion (IC) engine in which the piston completes four separate strokes while turning a crankshaft. A stroke refers to the full travel of the piston along the cylinder, in either direction. The four separate
Air conditioning (or AC) is the process of altering the properties of air, primarily temperature and humidity, to more comfortable conditions.In common use, an air conditioner is a device that lowers the air temperature and Window type air conditioners are one of the most
Refrigeration is the transportation of heat from one location to another location to lower the temperature in an controlled environment. In a vapour compression refrigeration unit, the refrigerant undergoes phase changes which is one of the many refrigeration cycles and
Tensile strength is a measurement of the force required to pull something such as rope, wire, or a structural beam to the point where it breaks. Tensile strength of an can be measured by testing it with an Universal Testing
Impact Testing is used to measure an object’s ability to resist high-rate loading. It is usually thought of in terms of two objects striking each other at high relative speeds. The Charpy/Izode impact test (or Charpy V-notch test) is a standardized high strain-rate