How does resurfacing a cylind head in OHC engine affect valve timing and what should be done when a head needs resurfacing?

Q: Q/Which engine produces the most torque (diesel or petrol)?why?

A: The diesel are heavier and denser than petrol. The flash point of diesel are also higher than…

Q: What are the two main valve operations that are altered during modern variable valve timing systems?…

A: Answer are as following:-

Q: what is compression ration in engine?

A: Compression ratio is the ratio of volume when the piston is at bottom dead centre (BDC) to the…

Q: Which engine design feature influences the emissions most strongly?

A: Given Data→ Emissions  Design feature

Q: What are the advantages and disadvantages of the engine lubrication

A: The lubrication system's job is to provide oil to moving parts in order to minimise friction…

Q: Why do we not use different tec

A:

Q: In a Diesel engineRequired to answer. Single choice. OPTIONS: 1.Only spark plug is used 2.Spark…

A: In a Diesel engine Answer: 3) None

Q: What precaution should you take to prevent hydraulic injection?

A: Some precautions to be taken to avoid hydraulic injection are, When the hoses or hydraulics are…

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: Expain How to make an engine that does achieve the maximum possible efficiency ?

A: given: Explain How to make an engine that does achieve the maximum possible efficiency ?

Q: Which of the following is similar to a PCV valve but is specific to diesel engines? PCM EGR AIR…

A: PVR (positive crankcase ventilation): The PVR valves are not required in diesel engines. The PCV…

Q: Which type of drive system can be used designing the camshaft drive of a spark ignition engine? List…

A: given; Which type of drive system can be used designing the camshaft drive of a sparkignition…

Q: What happens to the engine due to high temperature ?

A: Engine: It is a mechanical device which is used to convert chemical energy of the fuel into…

Q: The diesel engines operates with low pressure than petrol engine

A: Correct option is:

Q: An engine starts and runs briefly after a small quantity of fuel is put into the spark plug hole,…

A: An engine starts and runs briefly after a small quantity of fuel is put into the spark plug hole,…

Q: Answer the following questions on diagnostic trouble codes (DTCs) relating to engine management…

A: Diagnostic Trouble Codes (DTC):  It is the essential codes that onboard computer diagnostics systems…

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: ot

A: introduction: This can be accomplished in one of two ways: through air cooling or through liquid…

Q: what is the meaning N14 in the N14 cummins engine

A: Solution:

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: 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: Explain the influence of engine speed upon the ignition delay.

A: Ignition lag Igniting the flame itself or getting a spark for ignition requires time, and the delay…

Q: Which one of the statements is false about Compression ignition engine? Select one: O a. During…

A: In induction stroke Air/Fuel mixture enters not only air... So It is false..

Q: Question Three: a- Describe in details the methods of turbocharging with the arrangement of the…

A: Now we can discussed here, What is the method of turbocharging? A turbocharger is nothing but an…

Q: turbocharging is disengaging the transmission system. increasing the noise coming from the exhaust.…

A:

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: 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: What component is responsible for circulating coolant through the engine

A: In the engine we use water pump to force the water to circulate throughout...

Q: what is the components of the hfo powerplant?

A: Heavy Oil Fuel Power plant (HFO Power plant) Heavy fuel oil (HFO) is a petroleum distillate, and…

Q: Technician A says that vacuum readings for an engine with a performance camshaft might be lower at…

A: Soln:- we know, Most of the vichles are vaccum suspended units (vaccum promoters) , which utilize a…

Q: Explain volumetric re-ignition as applied to S.I engine

A: SI Engines : A spark-ignition engine (SI engine) is an internal combustion engine, generally a…

Q: ol engine

A: Introduction: The highest useful compression ratio (HUCR) is the compression ratio at which a fuel…

Q: how many times will a Direct Injection coil fire in 720 degrees of crankshaft rotaion

A: In a 4-stroke cycle, each individual cylinder fires once every two revolutions- the complete cycle…

Q: Does the Briggs & Stratton XR950 engine an overhead valve (OHV) or overhead cam (OHC) design? OHC…

A: OHC: when camshaft is located above the combustion chamber OHV: when camshaft is located below the…

Q: 1- What is “valve overlap” and how it's affect the performance of the engine

A: Time period for which both exhaust valve and intake valve remain open at the same time during…

Q: The misfiring exceeds  ____________ to  ____________ percent in a ____________ rpm period if Type B…

A: Unburned hydrocarbons are produced by misfires, which puts more strain on the catalytic…

Q: systems used in engines? 2 types case

A: There are typically two types of crankcase ventilation systems used in engines: the positive…

Joining Processes

It is the process of permanent or temporary joining of two metal pieces with the help of heat or pressure. Two metal parts are assembled by applying an energy source for the formation of a single unit. The obtained joined metals cannot be fragmented easily with the application of any force.