How does sludge occur? Engine fuel reacts with condensed blowby. A faulty manifold leaks coolant into oil. HC reacts with oil. Oil reacts with condensed blowby

Q: During idling process, a petrol engine requires lean or rich mixture?

A: Types of air mixtures Chemically correct mixture- Stoichiometric or balanced chemical mixture in…

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: 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: Diesel fuel is created in the middle of the distillation process and resembles oil. It takes less…

A: The fuels that are used in multipurpose are made up of hydrogen and carbon atoms. These fuels are…

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: 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: Which of the following is a function of the engine’slubrication system?a. Holds an adequate supply…

A: Given Data : Engine's lubrication system

Q: Explain and review the ff. 1.Fuel Tank 2. Fuel level indicator 3. Fuel lines 4. Pumps 5. Air…

A: According to the question we need to explain Following 1.Fuel Tank 2. Fuel level indicator 3. Fuel…

Q: True or False: The higher crankshaft allowed the use of shorter landing gear. Radial engines can…

A: Different types of engines used in engineering applications are: Rotary engine Reciprocating engine…

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: 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: 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: The dieseling is O a. the engine is still working without ignition. O b. Engine use diesel as fuel O…

A: To find: The dieseling is

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

A:

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: Which fuel produces most power in an internal combustion engine? Please choice one below;  Ethanol…

A: Solution:

Q: Define heat of combustion

A: combustion: Combustion is the process of burning of any fuel in the presence of air. The air may be…

Q: How ECU controlled ignition system works in SI engines?

A: The ECM regulates four main parts of your vehicle's operating systems: air-fuel ratio, idle…

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: What checks can be performed to know if the lubricating oil of an engine has been contaminated?

A: Techniques to check whether the lubricating oil is contaminated are as follows, Debris analysis Wear…

Q: what are the two tune up methods used for a variety of big bore cummins engines

A: There are two tune up methods used for a variety of big bore Cummins engines. OBC (Outer base…

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 one is not true about the expansion tank in cooling water systems on marine diesel engines?…

A: Basically, Marine Diesel engine cooling system the expansion tank used for these circuits is filled…

Q: Why does water not dissolve motor oil?

A: Water has a formula H2O . It has  a hydrogen bonds. Oils as well as fat does not contain any polar…

Q: 1. Tech A says that most electric fuel pumps are now mounted inside of the fuel tank. Tech B says…

A: Dear student,                     According to the guidelines, I am allowed to answer only three…

Q: When using a fuel injector pulse tester, Technician A says that little or no pressure drop indicates…

A:

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: The most popular combustion chamber.7 which is equipped with four valves per :cylinder is…

A: There are different types of combustion chambers 1. Hemispherical 2. Pentroof 3. Wedge 4. Bathtube…

Q: Q. What is the reason of having preheater before steam injector?

A: A preheater is a mechanical device that is used to heat the water before entering the boiler. A…

Q: True or False? The diesel fuel’s antiknock quality ismeasured by the cetane rating

A:

Q: Apart from providing lubrication to engine bearings, What other important function does lubricating…

A: Solution:

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…