What is the function of the exhaust valve? Regulate the air-fuel ratio Filter air entering combustion chamber Protect piston from exhaust gases ● Controls flow of exhaust gases out of the combustion chamber

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: b) One way to lower NOx emissions in diesel engines is to add water to the fuel. Since water is not…

A:

Q: How diesel fuel injector work?

A: A diesel fuel injector is a device that is used to introduce the fuel inside the combustion chamber.…

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: State the different ways of monitoring fuel oil quality and how to maintain an acceptable value…

A: The fuel quality control requires refineries to test the quality of the fuel before it is…

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: Explain the steps involved in disconnecting a fuel line on a vehicle with: Multiport fuel injection…

A: Question: The steps involved in disconnecting a fuel line on a vehicle with: Multiport fuel…

Q: 1. What are the 2 types of an Internal Combustion Engines 2. What are its major parts & functions

A: The internal combustion engines are those engines in which combustion of fuel takes place inside the…

Q: Explain the steps involved in disconnecting a fuel line on a vehicle Multi port direct injection…

A: 1.Let the engine cool down; Most direct injection vehicles have aluminum cylinder heads and…

Q: What affects the efficiency of a catalytic converter?

A: The converter has a proficiency rating that is figured by the vehicle. This number rates the…

Q: a) Discuss in detail any 4 locations within the diesel engine cylinder where unburnt HC emissions…

A: In the diesel engine, the emission of unburnt hydrocarbon is very dangerous because unburnt…

Q: Auto-ignition might occurs in spark ignition .4 engine at low engine speed because the flame…

A: Auto ignition is the self-ignition of the fuel or air-fuel mixture before the spark has fired.…

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: A chamber installed in the exhaust flow that contains material that aids emission reduction via…

A: Many of materials that aids emission reduction like catalytic converter that work on nitrogen oxides…

Q: Coolant leaking into the combustion chamber produces what color smoke from the exhaust? Select one:…

A: We have to know

Q: 3) Outline the way the following system works:

A: Given data

Q: Technician A says it is important to note transmission fluid temperature when checking the fluid…

A: For level checking of transmission fluid its temperature is checked. Transaxle has fluid for…

Q: When checking the exhaust system, the Certified Inspector must reject the vehicle if: It does not…

A: While checking the exhaust system the inspector must reject the vehicle if it has no muffler,…

Q: In a single-cylinder, two-stroke petrol engine, the charge ( fuel-air mixture ) enters the cylinder…

A: Two stroke engine: A two-stroke engine is a type of IC engine which completes one power cycle with…

Q: Which is not a cause of detonation? Wrong ignition timing Allowing the engine to overheat Fuel/air…

A:

Q: what is the component that is moving to allow fuel to be injected into the intake port

A: A carburetor allow fuel to be injected into the intake port.

Q: fuel additive are being discussed. technician A says adding oxygenates to gasoline increases fuel…

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

Q: --- is obtained by mixing bio-ethanol with petrol Bio oil Bio diesel Gasohol Methanol

A: Gasohol, is a fuel mixture of 10% ethanol and 90% Petrol (gasoline) which is used in the internal…

Q: The piston top surface is generally flat in the indirect injection  True False

A: Given: The piston top surface is generally flat in the indirect injection

Q: During the following stroke, the burning mixture raises the temperature and pressure, compresses the…

A: In four stroke engines there are two rotations of the crank and each rotation of the crank involves…

Q: The injector pulse width is the __________   ___    ________ the injector opens and sprays fuel.

A: Given :-  The injector pulse width is the ........................... the injector opens and sprays…

Q: Which type of oil filter uses an anti drain back valve to prevent it from emptying of oil when the…

A: Which type of oil filter uses an anti drain back valve to prevent if form emptying of oil when…

Q: Which of the following is the best description of the power stroke? The ignition of the air fuel…

A: Given:   To select the correct option for the best descriptption of the power stroke.

Q: Explain working method of fuel injection system of inline diesel pumps

A: The pump camshaft is connected to the engine crankshaft, so that when the engine cranks…

Q: Unit pump injection system is an integrated fuel injection system, combining a fuel injector and a…

A: We know that the unit pump injection system is a high pressure integrated direct fuel injection…

Q: What is combustion chamber

A: Given Data : combustion chamber

Q: The octane number of a fuel is the percentage of octane in that fuel. True  False

A:

Q: The following are the required characteristics of the IC engine fuels, EXCEPT   Select one: a.…

A: In general, the IC Engine fuel must possess the following physical, chemical, and combustion…

Q: The fuel temperature is measured in the low pressure part of the fuel system just before the fuel…

A: To choose: The correct option. Explanation: Fuel must be transported from the fuel tank to the fuel…

Q: The temperature at which oil will release sufficient vapor to support combustion continuously for…

A: Option 5 : Fire point

Q: Importance os specific fuel consumption

A: Specific fule consumption :-

Q: the fuel pressure regulator on a returnless fuel systems is located _______ .

A: Engines with “returnless” electronic fuel injection (EFI) systems have the regulator inside…