Answered: Write down the methods of reducing NOx…

Engineering

Mechanical Engineering

Write down the methods of reducing NOx emissions in a combustion system.

Automotive Technology: A Systems Approach (MindTap Course List)

6th Edition

ISBN:9781133612315

Author:Jack Erjavec, Rob Thompson

Publisher:Jack Erjavec, Rob Thompson

Chapter34: Emission Control Diagnosis And Service

Section: Chapter Questions

Problem 9RQ: Describe carbon monoxide (CO) emissions in relation to air-fuel ratio.

See similar textbooks

Related questions

Q: discuss the Compression-ignition engine its parts and functions

A: Introduction: Combustion, commonly known as the burning of fuel particles, is the chemical process…

Q: Answer each of the following questions regarding diesel engine compression testing: What is the…

A: To explain: The diesel engine compression testing. Concept used: Diesel engine compression testing:…

Q: COMPOSE A MATRIX TABLE OF ENGINE EMISSIONS AND THEIR HARMFUL EFFECTS ON HUMANS AND THE ENVIRONMENT

A: The engine emits many pollutants in the environments which affect the environment and humans. The…

Q: ncomplete combustion is permitted because a significant amount of heat is still generated. true of…

A: Explanation The Incomplete combustion is never permitted because During incomplete combustion some…

Q: What causes high CO emissions? lean air/fuel mixtures rich air/fuel mixtures high…

A: Causes of high CO emissions are

Q: Why do we not use different tec

Q: How the analyses and calorific values of fuels can be reported?

A: A fuel is any material that can be made to react with other substances so that it releases energy as…

Q: Why trap is used after CFWH اخترأحد الخيارات a. To trap vapor and increase pressure b. To trap…

A: Steam trap Steam trap is used to discharge condensate and non condensable gases. Have a negligible…

Q: explain? 2- Explain the differences and similarities between the engine temperature sensitivity and…

A: In engine, the burning of fuel results in transformation of chemical energy into thermal energy. In…

Q: Which of the following statements is false regarding spark ignition? OA. Hydrogen gas, Acetylene and…

A: A. Hydrogen gas, Acetylene and Carbon Disulfide can ignite with a very high spark energy: This…

Q: What is the current available emission standard in the Philippines? Explain.

A: New emission standard were formed in Philippines to lower the air pollution and reduce its impact on…

Q: Explain the process of a Rankine. List the types of fuel used

A: To explain the Rankine cycle:

Q: Low fuel pump pressure causes a _____ mixture and excessive pressure causes a _____ mixture.

A: Given Low fuel pump pressure causes a _____ mixture and excessive pressure causes a _____ mixture.

Q: List the main components of the internal combustion engine.

A: Internal Combustion Engine: Internal combustion engine mainly known as IC Engine. In this kind of…

Q: Saudi Aramco has been identified as the single corporate entity that produces the most CO2 emissions…

A: Answer: 4.38% Saudi Aramco is responsible for the 4.38% of the world’s historic carbon emissions…

Q: 1.9 Name the ctivity 2

A: Advantages : 1) it's setup is simple and the vehicle pick up is good and fast. 2) fuel becomes…

Q: the goverment mandated warranty that specifically covers the catalytic converter and engine control…

A: the goverment mandated warranty that specifically covers the catalytic converter and engine control…

Q: 2. Which one is essential for combustion of fuel? A. oxygen to support combustion B. proper ignition…

A: Which one is essential for combustion of fuel.

Q: Technician A says that gasoline can be used as a source of hydrogen for a fuel cell. Technician B…

A: Given Data: Technician A says that gasoline can be used as a source of hydrogen for a fuel cell.…

Q: technician A says lean ratio of 15:1 to 16:1 provide the best fuel economy. technician B says rich…

A: Air/Fuel ratio: The air/fuel ratio is defined as the ratio of the amount of air to the amount of…

Q: Ways to extract diesel from a mixture and its step by step process

A: Diesel fuel is a combination of hydrocarbons derived from crude oil distillation. The cetane number…

Q: How fuel pressure regulator (outside of fuel tank) works in ECU controlled SI engine?

A: When pressure (boost) is applied to the top of the regulator, the diaphragm, which is attached…

Q: Engine knocking is defined as self-ignition of unburnt mixture other than the spark plug point.…

A: engine structural parameters’ effects on engine knocking

Q: 20. Using the steam tables, what is the value of specific enthalpy of saturated liquid water at 200…

A: As per our guidelines we are supposed to answer only one question (in case of multiple questions…

Q: .1 Briefly explain how a fixed choke carburettor works Air flows into the top of the _from the air…

A: Hii, thanks for the question but we are authorized to answer one question at a time, since you have…

Q: A gas turbine operates with air entering the compressor at 250C and 1 bar. Compression carried out…

Q: What is meant by abnormal combustion

A: Combustion is a process in which the chemical energy of the fuel converted into heat energy within…

Q: Use the internet and other reference materials to learn about the internal combustion engines valve…

A: We are authorized to answer one question at a time since you have not mentioned which question you…

Q: Explain the knocking phenomenon in compression ignition engine

A: Knocking, in an internal-combustion engine, sharp sounds caused premature combustion of part of…

Q: Q156. which of the following components can cause execcively high pressure in a returnless fuel…

Q: Discuss briefly as points the importance of Octane Number on the combustion process and engine…

Q: define Thermal efficiency in the context of an ICE hybrid engine

A: given; define Thermal efficiency in the context of an ICE hybrid engine

Q: the air-fuel ratio for an excess air of 35 %.

Q: The minimum amount of air needed for the complete combustion of a unit mass (1 kg) of fuel is called…

A: The minimum amount of air needed for the complete combustion of a unit mass (1kg) of fuel is called…

Question

100%

Write down the methods of reducing NOx emissions in a combustion system.

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.

Similar questions

which of the following is an indicator of combustion efficiency and not emission?
Briefly describe and write the equation for perfect (complete) combustion.
Briefly describe and write the equation for incomplete combustion.
How does SCR lower the content in a diesels exhaust?
What is meant by abnormal combustion
a) Discuss in detail any 4 locations within the diesel engine cylinder where unburnt HC emissions form.
1) Which one of the following is an undesirable byproduct of combustion in IC engines that is caused due to high temperature conditions? O Unburnt hydrocarbons. O Soot O Carbon monoxide. O Oxides of nitrogen. 2) Which one of the following statements is true about emissions from Sl engines? OA rich fuel-air mixture decreases the tendency for more HC emissions ONOX emissions would be maximum at a slightly rich mixture O NOx emissions decrease as the fuel-air mixture becomes either too rich or too lean. OA lean fuel-air mixture increases the tendency for more CO emissions 3) Which one of the following is correct about HC emission? O t is reflective of complete combustion of fuel. It results due to improper mixing of fuel and air O Unburnt HCs do not contribute to photochemical smog. O It decreases as the fuelair mixture becomes too lean
Explain the steps involved in disconnecting a fuel line on a vehicle with: Multiport fuel injection (50 - 60 words) Gasoline Direct Iniection (30 - 40 words)
NOX emissions increase as combustion temperatures increase. True False
While discussing air-fuel ratios: Technician A says that a stoichiometric mixture is theoretically the best combination of fuel and air to provide for total combustion. Technician B says that a stoichiometric mixture always results in complete combustion. Who is correct? a. Technician A b. Technician B c. Both A and B d. Neither A nor B
Describe carbon monoxide (CO) emissions in relation to air-fuel ratio.
IC ENGINE 13. Specify the main emission form multi-cylinder passenger car engine how is the air-fuel ratio controlledso as to reduce emissions? (please typeable, handwriting gets in the way)