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1. The most serious problem caused by combustion is (a) pollutant emissions (b) the increase of temperature (d) high price of energy. (c) economic problems 2. NOx species appear in combustion products when the temperature reaches above --------- (a) 1600 C (b) 1813 K (c) 1450 C (d) 1540 K 3. Biodiesel is a liquid fuel that is made through a process called (b) transesterification (d) cracking (a) Pyrolysis (c) distillation 4. In a complete combustion reaction of H₂, the products are: (a) CO₂, H₂O (b) H₂O (c ) H2O, CÓ 5. --- (d) H₂H, NOx is produced from steam reforming of natural gas.

1. The most serious problem caused by combustion is (a) pollutant emissions (b) the increase of temperature (d) high price of energy. (c) economic problems 2. NOx species appear in combustion products when the temperature reaches above --------- (a) 1600 C (b) 1813 K (c) 1450 C (d) 1540 K 3. Biodiesel is a liquid fuel that is made through a process called (b) transesterification (d) cracking (a) Pyrolysis (c) distillation 4. In a complete combustion reaction of H₂, the products are: (a) CO₂, H₂O (b) H₂O (c ) H2O, CÓ 5. --- (d) H₂H, NOx is produced from steam reforming of natural gas.

Introduction to Chemical Engineering Thermodynamics
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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Q1. Choose the right answer for ONLY 10 of the following: 1. The most serious problem caused by combustion is - (a) pollutant emissions (b) the increase of temperature (d) high price of energy. (c) economic problems 2. NOx species appear in combustion products when the temperature reaches above ---------- (a) 1600 C (b) 1813 K (d) 1540 K (c) 1450 C 3. Biodiesel is a liquid fuel that is made through a process called (b) transesterification (d) cracking (a) Pyrolysis (c) distillation 4. In a complete combustion reaction of H₂, the products are: (a) CO2, H,O (b) H₂O (c ) H,O, CÓ (d) H₂H, NOx 5. ------------ is produced from steam reforming of natural gas. (a) Biodiesel (b) bioalcohol (c) syngas (d) biogas 6. At ambient temperature, which one of these fuels is a gas? (a) Methane (b) kerosene (c) ethanol (d) biodiesel 7. Rapid increase in the temperature of combustion mixtures can cause (a) Slow combustion (b) turn off flame (d) increase of water production is one of the intermediate species of the combustion of methane (CH4) (b) NH3 (d) H₂O 8. (c) explosion ➖➖➖➖➖➖➖➖ (a) CHO (c) CO₂ 9. Adiabatic Flame Temperature is achieved when (a) the combustion heat is the maximum (c) the combustion heat is the minimum (b) there is no loss in the heat to the surroundings (d) all products are at the same temperature 10. Among all sulfur compounds, ------------- has the most affinity to water to form sulfuric acid. (a) SO3 (c) SO₂² 11. When comparing the performance of SI engines, the------------ efficiency is used as the measure. (a) Indicated (b) Thermal (c) mechanical (d) volumetric 12. For a complete combustion, the reaction time should be longer than the physical time. (a) True (b) False (b) SO₂ (d) SO
Transcribed Image Text:Q1. Choose the right answer for ONLY 10 of the following: 1. The most serious problem caused by combustion is - (a) pollutant emissions (b) the increase of temperature (d) high price of energy. (c) economic problems 2. NOx species appear in combustion products when the temperature reaches above ---------- (a) 1600 C (b) 1813 K (d) 1540 K (c) 1450 C 3. Biodiesel is a liquid fuel that is made through a process called (b) transesterification (d) cracking (a) Pyrolysis (c) distillation 4. In a complete combustion reaction of H₂, the products are: (a) CO2, H,O (b) H₂O (c ) H,O, CÓ (d) H₂H, NOx 5. ------------ is produced from steam reforming of natural gas. (a) Biodiesel (b) bioalcohol (c) syngas (d) biogas 6. At ambient temperature, which one of these fuels is a gas? (a) Methane (b) kerosene (c) ethanol (d) biodiesel 7. Rapid increase in the temperature of combustion mixtures can cause (a) Slow combustion (b) turn off flame (d) increase of water production is one of the intermediate species of the combustion of methane (CH4) (b) NH3 (d) H₂O 8. (c) explosion ➖➖➖➖➖➖➖➖ (a) CHO (c) CO₂ 9. Adiabatic Flame Temperature is achieved when (a) the combustion heat is the maximum (c) the combustion heat is the minimum (b) there is no loss in the heat to the surroundings (d) all products are at the same temperature 10. Among all sulfur compounds, ------------- has the most affinity to water to form sulfuric acid. (a) SO3 (c) SO₂² 11. When comparing the performance of SI engines, the------------ efficiency is used as the measure. (a) Indicated (b) Thermal (c) mechanical (d) volumetric 12. For a complete combustion, the reaction time should be longer than the physical time. (a) True (b) False (b) SO₂ (d) SO
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