Mechanical Engineering Exam > Mechanical Engineering Videos > Thermodynamics > Availability & Available Energy
Availability & Available Energy Video Lecture | Thermodynamics - Mechanical Engineering
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29 videos|65 docs|36 tests
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FAQs on Availability & Available Energy Video Lecture - Thermodynamics - Mechanical Engineering
| 1. What is availability in mechanical engineering? |  |
Ans. Availability in mechanical engineering refers to the maximum amount of useful work that can be obtained from a system at a given state. It is a thermodynamic property that represents the energy that is available for conversion into useful work.
| 2. How is availability different from total energy? | |
Ans. Availability is different from total energy because total energy includes both the available energy and the energy that is not available for useful work. Total energy consists of both the kinetic energy and potential energy of a system, while availability only considers the energy that can be converted into useful work.
| 3. What factors affect the availability of a system? | |
Ans. The availability of a system is affected by various factors such as temperature, pressure, and the quality of the working fluid. Higher temperatures and pressures generally increase the availability, while the presence of impurities or low-quality working fluids can decrease the availability.
| 4. How is availability related to efficiency in mechanical systems? | |
Ans. Availability and efficiency are related in mechanical systems. Efficiency represents the ratio of the useful work output to the total energy input, while availability represents the maximum amount of useful work that can be obtained from a system. Higher availability generally corresponds to higher efficiency, as more of the input energy can be converted into useful work.
| 5. How can the availability of a system be improved? | |
Ans. The availability of a system can be improved by optimizing the system design and operating conditions. This can include using higher quality working fluids, increasing the temperature and pressure levels, and reducing energy losses through insulation or other means. Additionally, improving the efficiency of energy conversion processes within the system can also increase availability.
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Nov 15, 2024 Last updated |
Video Description: Availability & Available Energy for Mechanical Engineering 2024 is part of Thermodynamics preparation.
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