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In which of the following refrigeration system, waste heat can be effectively used?

In which of the following refrigeration system, waste heat can be effectively used? Correct Answer Vapour absorption cycle

It is generally recognized that considerable energy savings could result from installing a waste heat recovery system in the exhaust of a Gas Turbine power plant

Related Questions

Consider the following statements in respect of a vapour-absorption refrigeration cycle: 1. The absorption refrigeration cycle is generally used when waste heat is a available from an existing source or when free energy like solar energy is to be used. 2. There are no moving parts in the absorption refrigeration plant except a small liquid pump. 3 the value of the coefficient of performance is nearly the same in both vapour-absorption and vapour-compression refrigeration plants. Which of the above statements are correct?
A Carnot heat engine receives heat at 750 K and rejects the waste heat to the environment at 300 K. The net work output of the heat engine is used to drive a Carnot refrigerator, whose COP is 6.14. If the heat removal rate from the refrigerated space is 6.6 kW, determine the rate of heat supply to the heat engine?
Consider the following statements for refrigeration and air-conditioning: 1) In refrigerating machine, the heat exchanger that absorbs heat is connected to a conditioned space. 2) A refrigerating cycle operating reversibly between two heat reservoirs has the highest coefficient of performance. 3) The lower the refrigeration required and the higher the temperature of heat rejection to the surroundings, the larger the power consumption. Which of the above statements are correct?
Consider the following statements with reference to the mixing of industrial waste water with domestic waste water: 1. The industrial waste water can be mixed with domestic water when it has higher BOD. 2. The industrial waste water can be mixed with domestic water when the pH value of industrial waste water is highly alkaline. Which of the above statements is/are correct?
Consider the following statement: a) In a refrigerator the heat is taken out from the system. b) In a refrigerator the heat is given to the system. c) In a heat pump the heat is taken out from the system. d) In a heat pump the heat is given to the system. Which of the above statements are correct?
The question below consists of two statements followed by two conclusions as responses. You have to consider the statements to be true even if they seem to be at variance from the commonly known facts. You have to decide which of the given conclusion(s) can definitely be drawn from the given statements. Statements: I. Recycling is the best way of effectively managing the generation of waste. II. The Municipal Corporations in Delhi have decided to collect waste to be recycled. Conclusions: I. The amount of waste accumulated in Delhi will reduce. II. People will help the Municipal Corporations in this initiative.
With reference to the Waste-to-energy, consider the following statements: 1. It converts municipal and industrial solid waste into electricity and/or heat for industrial processing. 2. It is a form of energy recovery. 3. Most Waste-to-energy processes produce electricity and/or heat directly through combustion, or produce a combustible fuel commodity, such as methane, methanol, ethanol or synthetic fuels. Which of the above statement is/are correct?
Following the two statements below. And II label has two conclusions. Assuming that the statement information is correct, decide which of the information given in the statements follows logically and definitively. Statements: All eggs are waste. All waste is food. Conclusion I: Some food are waste. Conclusion II: Some waste are eggs.
The question below consists of a set of labelled sentences. These sentences, when properly sequenced form a coherent paragraph. Select the most logical order of sentences from among the options. P: E-waste is valuable as a source of secondary raw material. Q: But it is also toxic if disposed of improperly. R: When we talk about recycling household and work place things, we tend to ignore or are less aware of how to deal with the electrical and electronic waste (sometimes called e-waste). S: Due to rapid technology change, obsolescent items have created a fast growing mass of electronic waste around the globe.
Average quantity of waste that is collected from a colony on Monday and Tuesday is 21 kg. and average quantity waste that is collected from Tuesday to Friday is 18 kg. If average quantity of waste that is collected on all the five days is 18 kg, then how much waste is collected on Tuesday?