1. At 101.325 Kpa and 21°C, an industrial fan develops a brake power of 100KW and head of 120mm water gage. What will be the power this fan is operated at 98 Kpa and 32°C at the same speed? if

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Entropy

In physics, entropy means the amount of disorder or the degree of randomness associated with a thermodynamic system. The system is not self-organized when the entropy of the system is high. For instance, when a system is at an elevated temperature, its molecules are in random motion, vibrating and colliding with each other. During this scenario, the probability of finding a molecule at a particular place twice, is low. Under this circumstance, the system can be said to be in a high entropy.