Technician A uses sandpaper to remove carbon deposits from turbocharger wastegate parts. Technician B scrapes off heavy deposits before attempting to clean the unit. Who is correct?

Q: While discussing working on hybrid vehicles: Technician A says to make sure that the high- voltage…

A: Every vehicle includes high voltage components, and in the case of a hybrid tricycle, it contains…

Q: Question: How can we change the pressure valve of the hydraulic transmission system?

A: A hydraulic power transmission system uses a pressured flow to transport the energy needed to…

Q: Originally engines are lubricated by total loss systems with oil baths splash lubrication from oil…

A:

Q: How is the maintenance of a multi-piston cylinder different from regular cyli

A: Leakage losses is low in multi-piston cylinder so efficiency is high in it . Multi-cylinder give…

Q: Describe about the GAS MILEAGE INVESTIGATION.

A: Gas mileage investigation is the examination process of mileage of an automobile / vehicle with…

Q: 126) Technician A says all gaskets should be discarded during teardown to keep the work area clean.…

A: According to the technician A , all the gaskets should be discarded during teardown ,it is not…

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: Technician A says when removing a transmission, the rear of the engine will usually need to be…

A: Answer

Q: echnician A says that RWD transmission valve bodies are serviceable from under the vehicle.…

A:

Q: Parts differences between a 2-stroke engine and 4-stroke engine

A: Given data Parts differences between a 2-stroke engine and 4-stroke engine

Q: Question 6 uontanes of the pressure carburetor system.

A: The main advantage of pressure carburettor system are - reducing icing tendency -better efficiency -…

Q: injector cleaning is being discussed. technician A uses a wire brush to clean the tips of the…

A: Solution:

Q: How does a piezoelectric injector work?

A: Solution:

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: While discussing the cause of an oil leak in an axle housing, Technician A says if the fluid leaks…

A: Technician B is correct. As the leakage in an axle housing is due to the damaged axle seals. So. the…

Q: Technician A says check balls are often used to block holes between the transmission valve body and…

A: pacer plates are also commonly used in automatic transmissions to provide additional clearance…

Q: Unburned HC and Carbon mono-oxide reduced in the exhaust gases if the A/F decreased True False

A: Unburned HC and Carbon mono-oxide reduced in the exhaust gases if the A/F decreased True False

Q: Technician A says that black exhaust smoke is an indication of a too-rich air-fuel mixture.…

A: Air–fuel ratio is defined as the mass ratio of air to fuel present during combustion. Rich air-fuel…

Q: Choose the correct statement. Select one: a. A dry sump system stores oil in a tank outside of the…

A: The wet sump system  is the best fit during aggressive driving conditions.

Q: Before installing the crankshaft, what should you spray onto the bearings?

A: Before installing the crankshaft the chemical treatment by using oil and grease is required to be…

Q: Chaper 32 question 2 What can be used to check for leaks on the presure side of a turbocharger…

A: The leaks from the turbocharger of air can occur both on the vacuum side, one is air intake to the…

Q: What happens when txv valves goes bad?

A: The symptoms of restricted TXV, A restricted metering device — thermostatic expansion valve or TXV —…

Q: A technician is inspecting a vehicle and finds the upper radiator hose is collapsed, and the cooling…

A: Given :-  A technician is inspecting a vehicle and finds the upper radiator hose is collapsed, and…

Q: Two technicians are discussing a coolant drain and refill. Technician A says that draining the…

A: Generally, the coolant is drained and refilled for the following reasons: Preventive maintenance…

Q: A customer comes in with an indirect TPMS, complaining that despite all the tires running low on…

A: Indirect TPMS works together with your car's Antilock Braking System's (ABS) wheel speed sensors.…

Q: While discussing SFI systems: Technician A says that when the injection system fires according to…

A: The SFI system stands for Sequential Fuel Injection System. Within the SFI system, a specially…

Q: O O O Before delivering the trash from the n clean and free of h- Select one: O a. Technicia O b.…

A: Before delivering the vehicle to the customer,it is important to check the vehicle for cleanliness.…

Q: 52) Technician A says few production vehicles have transmissions with an internal oil cooler.…

A: Technician A is saying correct statement as the transmissions with the oil cooler are located in the…

Q: An overheating vehicle is being discussed. Technician A states that the vehicle may be overheating…

A: Given Data: An overheating vehicle is being discussed. Technician A states that the vehicle may be…

Q: List five common sources for transmission fluid leaks

A: five common sources for transmission fluid leaks are following-

Q: Technician A says that all transmission opening pressure are derived from the regulated output flow…

A: Technician A says that all transmission opening pressure are derived from the regulated output flow…

Q: Technician A says that when installing an oil filter, you should tighten it with a filter wrench to…

A: The oil filter is a filter that is generally designed to remove contamination from engine oil that…

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: A reddish-colored oil is discovered to be leaking during an engine oil change and inspection:…

A: Leak fluid color and its use in an automobile is shown in tabulated form Leak fluid color  fluid…

Q: Which of the followings is NOT a reason for checking the oil in oil CBM

A:

Q: Technician A says diesel engines can be used in a hybrid powertrain . Technician B says a gaso line…

A: Technician B is the correct hybrid power train is used a gasoline engine.

Q: Explain air measurement and control methods of ECU in diesel engines

A: Most fuel injection systems use electronics to control the opening and closing of the nozzle.…

Q: Technician A says that an air-conditioning system removes heat from inside the engine. Technician B…

A: Technician A says that an air-conditioning system removes heat from inside the engine. Technician B…

Q: an engine is being discussed for lean running condition. technician A checks for air leak in the…

A: There are five factors that causes to run engine in lean condition. They are Fuel System Oxygen…

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: How does sludge occur? Engine fuel reacts with condensed blowby. A faulty manifold…

A: With continuous use, the engine oil collects coolant, earth, water, fuel, and different impurities.

Q: technician A says that the fuel tank cap has a valve to prevent pressure build up in the tank.…

A: technician A says that the fuel tank cap has a valve to prevent pressure build up in the tank.…

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.

Corrosion control methods

Corrosion may be defined as the method in which metals are attacked on their exteriors by gases existing in the atmosphere, converting them to their oxides, nitrides, sulfides, etc.