How to Calculate the Specific Heat Capacity of a Substance: When an amount of heatΔQis supplied to a body of massm, resulting in a temperature change ofΔT, the specific heat capacity of the body is given by Examples: An aluminium sphere of mass0.047kgis initially at a temperature of10...
Calibration Energy management Maintenance and monitoring Safety Troubleshooting All topicsGet a free demoWhat is power factor? How to Calculate Power Factor Formula Power quality, Fundamentals Power factor is an expression of energy efficiency. It is usually expressed as a percentage—and the lower the...
When calculating and determining the thermal curling tensile stress of cement concrete pavement, it is necessary to determine the temperature difference between the top and bottom ( \\(\\Delta {m T}\\) ) of the pavement. In another word, it is necessary to determine the maximum temperature ...
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A DC motor consumes 36 MJ of energy when connected to 230 V FOR 2.5 hours. a. Calculate how many kWh is the amount of energy mentioned above. b. The power taken by the motor from the mains. c. The current taken by the motor from the mains....
The heat capacity is determined by the quantity of heat energy supplied to the concerned substance. It is also dependent on the initial and final temperatures of the substance. How do you calculate heat capacity in thermodynamics? In thermodynamics, the heat capacity is a measure of the heat re...
Thermal conductivity refers to the ability to conduct/transfer heat. It's denoted by k, λ, or κ. Measured in watts per meter kelvin (W/mK).
Calculate the thermal energy required to convert 5 kg of ice at 0 degree Celsius to steam at 100 degree Celsius. What is the change in length of a metal rod with an original length of 4 m, a coefficient of thermal expansion of 0.00002/C, and a temperature change of 30 C? A. 2.4 ...
How do you calculate the heat of vaporization? The heat of vaporization is equal to the thermal energy required for vaporization divided by the mass of the substance that is vaporizing. Its formula is Hv = q/m. Where Hv is the heat of vaporization, q is the thermal energy and m is th...
The key difference between the two is that heat is only a form of energy, thermal energy, whereas enthalpy is the quantity of heat that is being transferred at a fixed pressure. How do you calculate enthalpy? The change in enthalpy is equal to the summation of the internal energy of the...