Are there any ways to overcome the limitations of natural ventilation such as unpredictable airflow and temperature differences? Is it more beneficial than not?
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Are there any ways to overcome the limitations of natural ventilation such as unpredictable airflow and temperature differences? Is it more beneficial than not?
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- Explain why the HVAC systems, new roof, interior renovation costs, additional plumbing, and restroom partitions have the same recovery life as the buildings.Why is information regarding the specific volume of gases important to the designer of air-conditioning, heating, and refrigeration equipment?The sensible effectiveness of a heat recovery ventilator is 53.6%. The inlet temperature of fresh air is 35°C and relative humidity is 50%. The inlet temperature of exhaust air is 24°C and relative humidity is 60%. The mass flow rates of fresh air and exhaust air are 1.3 kg/s and 1.5 kg/s, respectively. Calculate the outlet fresh air temperature and estimate the energy saving ratio of adopting heat recovery ventilator.
- A cooling system is necessary for computers for a number of reasons. So, what precisely are the various cooling techniques?How has the evolution of boiler technology, from traditional steam boilers to modern high-efficiency condensing boilers and beyond, influenced industrial processes, energy efficiency, and environmental sustainability in various industries, and what are the key challenges and opportunities in adopting advanced boiler systems for a greener and more efficient future?"A space to be conditioned has a sensible heat load of 80 kw and a latent heat load of 20 kw and is to be maintained at 20°C and 50% relative humidity. Outside air is at 35°C and 60% RH. The conditioned air will enter the space at 15°C. If 40% of the supply air is fresh and the rest is recirculated, the refrigeration capacity of the system is nearest to what value? 430 kw 455 kw 428 kw Ⓒ333 kw
- Gaisano Mall uses an atmospheric cooling tower to provide cooling for the jacket water of a four-stroke 309 KW diesel generator. The cooling tower efficiency is 53% at a temperature of approach of 11 deg. C. if ambient air has a relative humidity of 60% and dry bulb temperature of 31 deg. C, determine the cooling water supplied to the diesel engine in liters/hour.Explain the processes of adiabatic cooling and heating.With the help of a neat figure discuss the working principle of evaporative cooling system. What are the factors to be considered while designing an evaporative cooling system?
- Prepare a report on the heating systems available in your area for residential buildings. Discuss the advantages and disadvantages of each system and compare their initial and operating costs.What are higher-efficiency refrigerant blends that can be used as long-term replacements for R-22 in residential and light-commercial air-conditioning applications?Why are solar systems intended to be used as a supplementary heat source? A. Because they are more expensive to operate than conventional systems B. Because the amount of heat generated by solar systems varies depending on a number of environmental factors C. Both A and B are correct D. Neither A nor B is correct