The waste heat energy could be used to produce ....... a) Cool air b) Hot air c) Exhaust gas d) All of the above

The waste heat energy could be used to produce .......
a) Cool air
b) Hot air
c) Exhaust gas
d) All of the above
by

1 Answer

Answer :

Cool air
by

Related questions

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Producer gas is obtained by  A. partial combustion of coal, coke, anthracite coal or charcoal in a mixed air steam blast  B. carbonisation of bituminous coal  C. passing steam over incandescent coke  D. passing air and a large amount of steam over waste coal at about 650°C

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Which one of the following statements about PYROLYSIS, which is a process for solid waste treatment is incorrect? (1) It converts the waste into solid, liquid and gas of which the resultant liquid and gas can be used to produce energy. (2) The process occurs at a temperature above 430°C at atmospheric pressure. (3) The process occurs under high pressure at temperature above 430° C. (4) It is a thermochemical decomposition of organic waste

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In industrial operations fluids with temperature less than __________ are set as the limit for waste heat recovery because of the risk of condensation of corrosive liquids a. 80C b. 100C c. 120C d. 200C

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Types of waste heat exchanger are: a) Regenerative and recuperative burners b) Economizers c) Waste heat boilers d) All of the above

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A high temperature waste heat recovery unit consists of recovering waste heat at temperaturesgreater than _______. a) 200 °C b) 500 °C c) 300 °C d) 400 °C

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Traditionally, waste heat of low temperature range ________ has not been used for electricitygeneration despite efforts by ORC companies, mainly because the Carnot efficiency is rather low. a) 0-250 °C b) 0-150 °C c) 0-200 °C d) 0-120 °C

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The waste heat recovery unit (WHRU) is a tool involved in _______. a) Regeneration b) Cogeneration c) Both ‘a’ and ‘b’ d) None of the above

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The biggest point sources of waste heat originate from ....... production. a) Steel or Brass b) Copper or Glass c) Steel or Glass d) Steel or Copper

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Techniques of waste heat recovery ....... a) Direct contact condensation b) Indirect contact condensation c) Transport membrane condensation d) All of the above

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A waste heat recovery system in industrial process has been key to reduce ....... Consumption. a) Coal b) Fuel c) Biogas d) Oil

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A major advantage of waste heat recovery in industry is a) Reduction in pollution c) Increase efficiency d) None of the above

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Recuperated is used mainly as a waste heat recovery system in a ____. a) Boiler b) Billet Reheating Furnace c) Compressor d) None of the above

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Major advantage of waste heat recovery in industry is: a) Reduction in pollution b) increase in efficiency c) Both a & b d) none of the above

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In which of the waste heat recovery equipment, the flow of flue gas and air is alternately reversed after a fixed interval of time? (A) Recuperator (B) Regenerator (C) Waste heat boiler (D) None of these

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The water in an open pond remains cool even in hot summer because (a) Of continuous evaporation of water (b) Water radiates heat more rapidly than the atmosphere (c) Water absorbs heat less rapidly than the atmosphere (d) Water absorbs heat more rapidly than the atmosphere

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The surface of water in a pond remains cool even on a hot day because 1. water evaporates at the surface and evaporation causes cooling 2. the heat absorbed at the surface is transmitted downwards 3. Water in contact with the bottom of the pond becomes cool and rises to the surface due to convection Which of the above statements is/are correct? (a) 1 only (b) 3 only (c) 1 and 3 (d) 1, 2 and 3

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It is a very hot day. You are in a special kitchen, in that there are no exits and the walls of this kitchen are thermally very well insulated. If you open the refrigerator door, the room will eventually: w) cool off. x) remain the same. y) heat up.

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The heat exhaust of an automobile with an internal combustion engine represents approximately what percent of the energy of the original fuel? w) 10 % x) 50 % y) 35 % z) 5 %

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Why is exhaust steam coming out of turbine is admitted to a steam header? a) To increase the pressure b) To decrease the velocity c) To decrease the pressure drop d) To control the pollution

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