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Heat Pump - thermodynamics:
Heat Pump: Heat pump is reversed heat engine that removes heat from a body at low temperature and transfer heat to the body at higher temperature. It receive heat Q2 from atmosphere at the temperature T2 equal to atmospheric temperature.
temperature to higher temperature. It supplies heat Q1 to space to be heated at the temperature T1.
Performance of HP: It is measured by coefficient of performance (COP). This is ratio of amount of heat rejected by the system to mechanical work received by the system.
(COP)HP = Q1/W = Q1/(Q1 - Q2) = T1/ (T1 - T2)
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Calculate values of KI - thick cylinder: If cracks of 6 mm and 12 mm length are separately present only one side of inner surface in radial direction find two values of KI.
(a) Show that two statements of Second Law of thermodynamics are equivalent to each other. (b) A house that was heated by electric resistance heater consumed 1200 KWh of electri
Can I have a quote for answers relating to this question (6 and 7) on my paper. Thanks
how to build a bridge
Q. A rectangular beam which is 300 mm deep is simply supported over span of 5 m. What uniformly distributed load per meter beam may carry? If bending stress is not to exceed 130N/m
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State and prove parallelogram law forces
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