Which of the following statement about carbon dioxide is not true? a. CO2 , levels are highest when the air fuel ratio is slightly leaner than stoichiometric. b. The production CO2  , is directly related to the amount of fuel consumed; therfore, more fuel efficient engines produce less CO2 c. To reduce CO2 , levels in the exhaust, engineers are working hard    to decrease fuel consumption to keep CO2  low. d. The concern for CO2 emissions is on of the primary reasons for the delayed use of alternative fuels for automobiles.

Q: Petroleum products refer to A. diesel B. all of the above C. petrol D. Kerosene

A: petroleum products arebutane. diesel fuel. fuel oil. gasoline. kerosene. liquefied natural gas.…

Q: In petrol engine super charging, will increase the pressure of a. air fuel mixture entering cylinder…

A: In petrol or gasoline engine supercharging increases the pressure of the intake air by taking the…

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A:

Q: 14. A. limits the maximum output pressure of an electric gasoline fuel pump. 15. Which of the…

A: As per the guidelines we will answer the first three subparts for you, for the rest of the questions…

Q: If the air-to-fuel ratio for propane is 17.16, the combustion in this process will be called O rich…

A: The stoichiometric air-fuel ratio for propane is 15.67:1.

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A: Given: The current exhaust = 3 g/mile Standard emission reqired = 0.4 g/mile

Q: Chamber mounted in exhaust flow containing material that promotes reduction of emissions by chemical…

A: Muffler is the also known as the silencer which is set at the exit of exhaust system of IC engine.

Q: 1.How the analyses and calorific values of fuels can be reported? 2.Discuss crank case Ventilation,…

A: Since we only answer one question at a time, we will answer the first one. Please resubmit the…

Q: Why is the adiabatic flask important to liquid fuel rockets?     To hold air     Cold fuel storage…

A: explanation to the above question is as follows-

Q: Which of the following gases is the least dense? A.oxygen B.helium C.carbon dioxide D.argon

A: The density of the above gases at standard temperature and pressure are tabulated below: S. No.…

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A: A particle with a greater surface area is more susceptible to evaporate or burn rapidly as compared…

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

A: Causes of high CO emissions are

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A: Combustion : Is the reaction in which oxygen reacts with substance leads to release energy in the…

Q: Write the complete combustion of the following fuel C2H5OH   ? Internal combustion engine

A: To write : Complete combustion of C2H5OH in internal combustion engines.  Heat will produce due to…

Q: The Quality of the steam is found to be 78 percent, which denotes that Select one: O a. It contains…

A: Given :-  The Quality of the steam is found to be 78 percent which denotes that , Select one: O a.…

Q: The products of combustion flow inside the exhaust ducts at the rate of 3.4 kmol/s. The products of…

A: To Find : The mass flow rate of carbon monoxide in the mixture,Given : The rate of combustion flow…

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A: given; How the Road Octane Number is different from Research Octane Number and Motor Octane Number?…

Q: Describe how a fuel-cell-powered vehicle works.

A: A fuel-cell-powered vehicle, also known as a fuel cell electric vehicle (FCEV), operates using a…

Q: Dehumidifier is an example of which of the following?

A: Dehumidifier is a air conditioning device.

Q: Emission control systems are installed on engines to reduce what three specific exhaust products?…

A: Emission control system is used to control the discharge of harmful gases from the engine. The are…

Q: Dry air consists of oxygen, nitrogen O co2 O hydrogen, argon all the above

A: Dry air does not contain water vapor,

Q: Explain and review the ff. I. Fuel system   a.) Carburated Engine ( Gasoline)   b.) Fuel Injected…

A: This question is based on the concept of IC Engines.

Q: Qu Electrostatic precipitator (ESP) is qui commonly used for Option 1: Removal of coal dust from…

A:

Q: Excess air is used to ensure nearly complete combustion. true or false

A: Complete combustion is the combustion in which fuel is completely burnt.

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A: During the operation of aerodynamics there is very high speed in very very high altitude. If the…

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A: Given :- technician A says adding oxygenates to gasoline increases fuel economy. Technician B says…

Q: Give an definition of the heating value of gasoline.

A: Heating value: It is the amount of heat produced in a combustion process on the completion of…

Q: The fuel cell has moving parts.

A: The fuel cell has ________ moving parts. Answer: No

Q: Given the ultimate/gravimetric analysis of coal as follows: C-81.95%, H2 = 4.63%, S=0.96%, N2-1.39%,…

A: Carbon (C) = 81.95%Hydrogen (H₂) = 4.63%Sulfur (S) = 0.96%Nitrogen (N₂) = 1.3%Oxygen (O₂) = 5.75%Ash…

Q: The ultimate analysis of coal sample is 77%C, 3.5%H2, 1.8%N2, 4.5%O2, 0.7%S, 6.5%ash and 6.0%H2O…

A: C=77%N2=1.8%S=0.7%H2=3.5%O2=4.5%ash=6.5%H2O=6%

Q: Differentiate complete combustion from incomplete combustion.

A: Distinguishing, complete combustion from incomplete combustion.

Q: If carbon dioxide emission in a power plant is 1.7 kg/therm and 5 kilo therms/year of fuels are…

A: Given data:  Emission of CO2 by the power plant, E = 1.7 kg/therm. Amount of fuel burned, F =…

Q: Which of the following statement is wrong for the disadvantages of fossil fuels? produces acid rain…

A: Fossil fuels are made from the decomposing of the animals and plants in the earth crust.

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: Why were some fuels called unleaded? I. Lead used to be added to diesel to improve its octane rating…

A: This question is based on the concept of fuel.

Q: In a catalytic converter in an automobile, the reaction of carbon monoxide with oxygen produces…

A: In a catalytic converter in an automobile, the reaction of carbon monoxide with oxygen produces…

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A:

Q: The following air streams mix in a building’s HVAC system upstream of the HVAC heating unit: 1,600…

A: To solve this HVAC problem, we will break it down into three parts: finding the temperature and RH…

Q: Match the following. Oxidizing Choose... flame Neutral Choose... flame

A: There are 3 types of flames in welding. 1) oxidising flame  2) carburizing flame  3) neutral flame