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Which DocMemory test would be ideal for diagnosing a thermal intermittent?
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∙ 14y ago
test loop
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∙ 14y ago
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Why would a continuous test be ideal for diagnosing a a thermal intermittent?
Partially corrupted modules (RAM) don't show a problem until they are running at certain temperatures. Running a continuous test allows you to reach certain temperatures and then if there are problems they will begin to show.
Why would a continous test be ideal for diagnosing a thermal intermittent?
Partially corrupted modules (RAM) don't show a problem until they are running at certain temperatures. Running a continuous test allows you to reach certain temperatures and then if there are problems they will begin to show.
Who invented the intermittent windshield wiper?
Robert Kearns and then the Auto companies stole his ideal.
Does a thermal insulator keep heat in or out or both?
an ideal thermal insulator does not conduct heat at all,so it keeps heat out!
How does the thermal efficiency of an ideal Otto Cycle change with the compression ratio of the engine and the specific heat ratio of the working fluid?
The answer is 38.
Isotherm in physics?
Isotherms in thermal physics are the lines on a pressure versus volume graph for an ideal gas, where the pressure and volume are alowwed to vary but temperature is kept constant. They are the result of Isothermal expansions or contracions of ideal gasses.
Why does strong repulsion between molecules not represent an ideal gas behavior?
The ideal gas laws are based on a model in which the ideal gas is composed of molecules which neither attract nor repel each other. The pressure that the ideal gas exerts on its container is simply the result of the random thermal motion of the molecules and the continual collisions which result from that random thermal motion. If the molecules also repelled each other, then they would produce a gas with even higher pressure, and the pressure would also increase more rapidly, if the gas was compressed, than it does in the absence of such repulsion. The observed behavior of real gases is much closer to that of an ideal gas that does not include repulsion between molecules. No such repulsion has been observed.
What is the thermal expansion coefficient of ammonia gas at standard temperature and pressure?
Most of the time when you encounter argon and nitrogen they will be gasses. Until you get up to high pressures, they will both behave more or less like ideal gasses. For an ideal gas, the volumetric thermal expansivity (i.e. relative change in volume due to temperature change) is: ßp = 1/T where p denotes a constant pressure process. The coefficient of linear expansion can be calculated from this to get: α ≈ ßp/3 For liquids, the value has to be measured because it certainly isn't an ideal gas when it is liquid! For liquid argon, the coefficient of thermal expansion is reported to be 0.01113 1/°C. For liquid nitrogen, the coefficient of thermal expansion is reported to be 0.00753 1/°C Note that you have to get down to cryogenic temperatures to liquefy argon and nitrogen and it tends to be under pressure when stored in a closed vessel.
What makes Aluminium Brass Tubes significant in heat transfer applications?
Aluminium Brass Tubes possess high thermal conductivity, making them ideal for heat transfer applications in various industries.
Where could one purchase direct thermal labels from?
Thermal labels can be purchased on the internet at websites of businesses who deal with supplying paper, or other office supplies. Thermal labels are long-lasting labels, often used when a bar code needs to be placed on a package.
Why is diamond an electrical insulator while it is a good conductor of heat?
Diamond is a good thermal conductor. But it is an excellent electrical insulator. How?Diamond crystal is a three-dimensional network of carbon atoms. All carbon atoms in the network are strongly bonded by carbon-carbon covalent bonds.The diamond crystal has a highly symmetric cubic structure. The carbon atoms in diamond are precisely aligned. Thus diamond is an ideal crystal. Atoms in the crystal lattices in solids vibrate.These vibrations, called the atomic vibrations facilitate thermal conduction (transport of heat) in solids. In an ideal crystal, the lattices are so precisely aligned that they do not interact with each other.Therefore an ideal crystal conducts better than a non-ideal crystal resulting in ideal crystals having good thermal conductivity, which is a measure of heat conduction. Diamond being an ideal crystal is thus a good thermal conductor.Mobile electrons facilitate electrical conduction - flow of current in solids. There are no free mobile electrons in diamond crystal to facilitate electrial conduction. Thus diamond is an excellent electrical insulator. In more simple terms, Diamond has a unique atomic structure. Each of the Carbon atom's valence electrons is taken up in covalent bonding, so each electron is localised. This means that no one electron is free to pass an electric current through the Diamond - thus, Diamond cannot carry an electrical current; there is nothing to pass the current through.
What does thermal energy means?
DefinitionsThe thermal energy of a single particle in a thermal bath is:where f refers to the degrees of freedom, T refers to the temperature, and k to Boltzmann's constant. For example, a monatomic particle in an ideal gas has three degrees of freedom, and thus,The total thermal energy is the sum of the thermal energies of all particles in the system. Thus, for a system of N particles,Note that Uthermal is rarely the total energy of a system; for instance, there can be static energy that doesn't change with temperature, such as potential energy, bond energy or rest energy (E=mc2).History of the termThe term was first used explicitly by James Joule, who studied the relationship between heat, work, and temperature. He observed that if he did mechanical work on a fluid such as water, by agitating the fluid, its temperature increased. He proposed that the mechanical work he was doing on the system was converted to "thermal energy." Specifically, he found that 4200 joules of energy were needed to raise the temperature of a kilogram of water by one degree Celsius.Thermal energy in an ideal gasThermal energy is most easily defined in the context of an ideal gas. In a monatomic ideal gas, the thermal energy is exactly given by the kinetic energy of the constituent particles.[citation needed]Other definitionsThermal energy per particle is also called the average translational kinetic energy possessed by free particles given by equipartition of energy.[1]Thermal energy is the difference between the internal energy of an object and the amount that it would have at absolute zero.[citation needed] It includes the quantity of kinetic energy due to the motion of the internal particles of an object, and is increased by heating and reduced by cooling.BY: KAREN SPEL
