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An air conditioning system with a COP of 2.2 operates during the daytime (6 am - 6 pm) to remove heat from a building (cold source) at the rate of 1.1 kW (QL). The system is designed such that 70% of the heat rejected through the condenser (QH) is effectively used to boost an existing fossil-fuel-based hot water system (70% of the total waste heat is absorbed by the cold water to be heated up). This hot water system is supposed to warm up 1000 kg/day (mainly used during the daytime) of water from an average of 15 °C to 55 °C. Calculate the percentage of saving in the fossil fuel consumption when the waste stream from the air conditioning system is utilised to boost the hot water system.
Questions about processes of transcription and translation are addressed, including the synthesis of mRNA from DNA. Components of basic gene structure, like introns and exons are addressed, and well as specific questions about the HIV virus.
Suppose a scientist observes an abnormality in the growth of robin embryos in a certain area. What flaws, if any, can you find in this experiment that might lead you to question the scientist's conclusions?
Duchenne Muscular Dystrophy is an x-linked recessive trait.What is the probability that a son with muscular dystrophy will be born to a couple when the mother is a carrier for the trait and the father is unaffected?
1.What is the highest expense for business operations? How can managers monitor and keep this cost as low as possible? Explain. 2. What is the highest expense for business materials? How can managers monitor and keep this cost as low as possible? Exp..
q. chooses the statement that best describes a buffer.1. a buffer resists change in ph by accepting hydrogen ions when
Suppose if we had a population of 1000 individuals, how many would be feebleminded? How many would be carriers for feeblemindedness? Is mitochondrial DNA testing based on valid scientific theory?
Name the four phases of mitosis and describe the major events occurring in each phase
Glycogen is used as a storage material in muscle as well as in liver, but the fate of the glucose 1-phosphate that is generated is different. What happens in each of these tissues and why? Show the pathway for each.
Which of the following tasks CANNOT be performed by earthworms?
Briefly explain how the effectiveness of antimicrobial agents varies with population size, population composition, concentration or intensity of the agent, treatment duration, temperature, and local environmental conditions.
Describe 2 causes of microevolution, Textbook campbell concepts and connections first Canadian edition.
In flowering plants, a mature embryo sac with its surrounding tissue provides an ideal source of material for the study of the relationship between genetic expression and ploidy. Considering an embryo after double fertilization, list the variety o..
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