Q157. an injector balance test requires an injector pulse tester and a ____ . a. fuel pressure gauge. b. noid light. c. lab scope. d. tachometer.

Q: explain the action of the conventional shock absorber on both compression (jouce) and rebound…

A: Shock absorbers are an important part of the suspension of a vehicle. The shock absorber is designed…

Q: What test can be performed to check the efficiency of individual cylinders?

A: Given Data : Individual cylinder Efficiency

Q: Draw and explain four strokes of Otto cycle based internal combustion engine. Also label various…

A: A internal engine is a four stroke engine. There are four strokes in this engine. The two strokes of…

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: Muffler is used in Select one: a. exhaust system O b. lubrication system c. cooling system O d.…

A:

Q: Technician A says that air-fuel ratios can be regulated by controlling the “on time” of the…

A: Given:   Technician A says that air-fuel ratios can be regulated by controlling the “on time” of the…

Q: tech a says that the float type carburetor is the least efficient design used on Briggs engines.…

A:

Q: Define the effect of volatility on petrol engine performance.

A: Volatility refers how easily a liquid fuel converted into vapor form. Enhanced mixing between fuel…

Q: b) Discuss with neat sketch the difference between detonation in S.I. engine and diesel knock.

A:

Q: List five advantages the use of piezoelectric injectorshas over solenoid-based injectors.

A: Given Injectors To find Advantages of piezoelectric injectors over solenoid-based injectors

Q: Which of the following are complexities that are ignored when assuming air-standard for an…

A: When combustion of fuel takes place within the closed heat engine, the heat produced due to…

Q: what is clearance volume in engine?

A: Clearance volume is defined with a schematic diagram

Q: During suction stroke of petrol engines, the following statement is correct. O a. Air alone enters…

A:

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: If the injector pulse width is increased on TBI, MFI, or SFI systems, the air-fuel ratio becomes…

A: If the injector pulse width is increased on TBI, MFI, or SFI systems, the air-fuel ratio becomes .

Q: 1. A) Draw the mean effective pressure vs specific fuel consumption at constant speed and constant…

A: Mean effective pressure  The mean powerful tension (MEP) is an amount connecting with the activity…

Q: What do you mean by intake stroke?

A: Intake stroke: It occurs when suction occurs due to downward movement of piston in an internal…

Q: Why does BSFC decrease with load inthe engine?

A: Conversion efficiency of the fuel is the main reason for the reduction in BSFC with load. At higher…

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 happens in internal combustion engine if stoichiometric ratio is more than 1?

A: Stoichiometric ratio is the ratio of mass of air and mass of fuel which requires to completely burns…

Q: An injector balance test requires an injector pulse tester and a

A: The balance test will disable an injector to check if it changes idle quality. It also checks or…

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: How many degrees the crankshaft will rotate with both the intake and exhaust valves seated when the…

A: Calculate the degrees for which the crankshaft rotates with the intake and exhaust valve seated.…

Q: 1- Draw the relationship between the load and Air - Fuel Ratio, (A/F)?

A:

Q: too lean mixture is supplied to the engine and may be caused in:

A:

Q: How Diesel engine works ?

A: Diesel engines operate by compressing only the air. This raises the temperature of the air within…

Q: What happens in internal combustion engine if stoichiometric ratio is less than 1?

A: When the combustion of fuel takes place in such a manner that there is no fuel remaining in any form…

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

A:

Q: What are two ways to provide input for the speedometer?

A: given; What are two ways to provide input for the speedometer?

Q: When the engine is Idling, the pressure regulator in PFI system provides _____________ fuel pressure…

A: Sadi Carnot initially proposed the concept of an ideal heat engine in 1824. He conceived a…

Q: al cup of equired to pach job f 240 cc ecificatio

A: Given: The radius of hemispherical cup is 15cm The force required to deform is 8KN. The approach…

Q: In an engine running at 2,000 rpm, with working RGR system, NOx should be below ______ ppm.

A: NOx emissions are more prominent in diesel engines as compared to gasoline engines since the…

Q: Q.2 Briefly explain how a variable choke carburettor works

A: A carburetor is a device that aids in the mixing of fuel and air in an internal combustion engine…

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: ext gases. 28 lb/hr. Assuming t n air-fuel ratio of 15 e volumetric efficior Hicion

A:

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: Mention and explain criteria for internal combustion engine to start.

A: Internal combustion engine Internal-combustion engine, any of a group of devices in which the…

Q: 7.6 A carburetor, tested in the laboratory has its float chamber vented to atmosphere. The main…

A:

Q: a) Engine displacement.

A: Solution shown below

Q: Q5. Explain the actual Indicator and valve timing diagrams for a Four Stroke Cycle Diesel Engine.

A:

Q: The diesel engines operates with low pressure than petrol engine O a TRUE Ob. FALSE

A: The diesel engine operates on a diesel cycle while the petrol engine operates on an otto cycle. The…

Q: While discussing valve body assemblies in late-model transmissions: Technician A says that the valve…

A: Automatic transmission valve body is a major part of a vehicle’s automatic transmission system. It…

Q: Complete the following statement about compression testing using the following words. Words:…

A: 1 Before conducting a compression test, disable the ignition and the fuel ignition system. Most…

Q: The specific gravity of a fuel oil is 0.803 at 15.60 C. What is its API rating? 3 decimal places

A: Given S.G of oil is 0.803  Find  API rating

Q: Diesel engine fuel is rated by?

A: It is required to rate the diesel fuel

Q: Why should the EGR valve remain closed at idle and at full throttle? What are requirements of BS VI…

A: EGR Valve has primary two setting i.e. Open and Closed. The EGR Valve is closed when the engine is…

Q: lease specify the option (It is a marine diesel engine question)

A: The correct option is E.