Thermodynamics

Thermodynamics States About Energy Conversion Thermodynamics is the branch of science that embodies the principles of energy transformation in macroscopic systems. The general restrictions which experience has shown to apply to all such transformations are known as the laws of thermodynamics. These laws are primitive; they cannot be derived from anything more basic. The first law of thermodynamics states that energy is conserved; that, although it can be altered in form and transferred from one place to another, the total quantity remains constant. Thus, the first law of thermodynamics depends on the concept of energy; but, conversely, energy is an essential thermodynamic function because it allows the first law to be formulated. This coupling is characteristic of the primitive concepts of thermodynamics. The words system and surroundings are similarly coupled. A system is taken to be any object, any quantity of matter, any region, and so on, selected for study and set apart (men

Electromagnetic Test

One of auto workshop facility is electromagnetic compactibility (EMC). But on this test people can not see the effect of this test visually, differ with other kind of test like driving simulator, collision test or others.


EMC room is a soundproof that use special material. On this test make sure that car will safe on EMC effect like on the side of television transmitter, radio transmitter, BTS cellular telephone, or even under high voltage electric cable network. EMF alone can affect the health of human around them, like stress and cancer.

EMC test just apply to modern and expensive car. On the test frequency that resulted about 9 kHz to 2 GHz, eventhough electric effect through 600 volt. Toyota Prius have been recall because of fault of this test that effected to driver that can sleep behind the steer.