A vapor-compression refrigeration system operating continuously is being considered to provide a minimum of 80 ton of refrigeration of refrigeration for an industrial refrigerator maintaining a space at 2 ∘C. The system should be sized to reject heat to a reservoir at 40 ∘C. For effective heat transfer, the system requires a temperature difference of at least 20 ∘C between the condensing refrigerant and the surroundings and between the vaporizing refrigerant and the refrigerated space. The project manager wishes to install a system that minimizes the monthly cost for electricity, priced at 15.225 ¢/(kW h) for the first 250 kWh and 18.286 ¢/(kW h) thereafter. The system was originally designed to operate with R-22 as the refrigerant, but environmental regulations mean that the refrigerant must be replaced with either ammonia or R-134a. You are to evaluate the performance of the system with all three refrigerants and determine any changes in operating parameters (pressures, temperatures, work input, COP, etc.). Make a recommendation of what type of refrigerant should be used in the future. Other than electricity cost, what additional factors should the manager consider in making a final selection? Prepare a written report including results, conclusions, and your recommendation.
A party to a contract could therefore expect that the contract would be enforced according to its terms even if the terms were unfair. Despite these early reluctances to include good faith as part of contract law, it emerged as an important and necessary role in some aspects of contract law. The modern law of contract places more emphasis on conduct which takes account of the interests of the other party to the contract . Some of these specific circumstances will now be considered, The common law imposes a duty of good faith in insurance contracts. The requirement of utmost good faith in insurance contracts requires disclosure by the insured of any fact material to the risk and abstention from misrepresentation. The justification for the creation of the duty is that only the insured knows the material facts and the insurer has no reasonable means of discovering them, although this same argument could be advanced in respect of general contract law. Another aspect of good faith arising out of insurance contracts is the rule that an insurer settling claims under a limited liability policy must act in good faith towards the insured and must have regard to his or her interests both in the defence of actions against the insured and in their settlement . The Supreme Court of Ireland have taken a very different view to the principle of good faith in insurance law and this is best highlighted by the case of Aro Road and Land Vehicles Ltd v Insurance Corporation of Ireland in this case the assured wished to send goods by road via a carrier. At the carrier’s instigation they effected insurance, the carriers acting as the insurer’s agents for this purpose. They were asked only for the details of the journey and the value of the goods, and did not volunteer any further information. The lorry carrying the goods was hijacked and set on fire, but the insurers refused to pay out on the policy, pleading that the assured had failed to disclose that their managing director had, some 20 years previously, been convicted of a number of offences of receiving stolen motor vehicles, for which he had served a sentence of 21 months imprisonment. The decision in this case was in summation that this was not reason enough for the insurance policy to be invalidated and the reasoning was that there is no breach of utmost good faith if the proposer has genuinely forgotten a material fact, at least where there is nothing (eg a proposal form) to jog his memory. Utmost good faith, they say, requires a genuine effort at accuracy, but does not require the proposer absolutely to guarantee the accuracy (and by implication the completeness) of his disclosure. This shows an inherent flexibility in the courts of Ireland to utilise and dismiss the notion of good faith in a sensible manner and this is evident in the general application of good faith in Ireland.>GET ANSWER