While discussing ignition timing control in EI systems: Technician A says that when the engine coolant temperature is low, the timing is retarded until normal operating temperature is reached. Technician B says that the PCM will retard the timing during EGR operation. Who is correct? Technician Ac.Both A and B b. Technician B d. Neither A nor B

Q: A vehicle has had several radiator replacements, and each time there has been pinhole leaks in the…

A: Solution:

Q: when adjusting a heavy-duty pull type manual adjusting clutch what is used to compensate for normal…

A: There are two types of clutch adjustment mechanisms: 1) Manually adjusted clutch 2) Self-adjusting…

Q: While discussing EGR systems with a differentialpressure feedback electronic (DPFE) sensor:…

A: Exhaust Gas Recirculation (EGR) is a cost-effective and efficient method for lowering nitrogen…

Q: Technician A states that the vehicle may be overheating becuase the heater control valve is stuck…

A: Technician A is saying correct statement.

Q: Cam bearings in OHV engines are typically whichtype?a. Split insertb. Full-roundc. Thrustd. None of…

A: Overhead valve engines are also called pushrod engines. The camshaft of OHV is mounted in the…

Q: C.Both A and B

A: The main objective of Central port fuel injection system is to a low cost multi point fuel injection…

Q: Who is correct?

A: 1. As par Faraday's Law Of Induction "The megnitude of emf induced into the conducting loop is…

Q: Technician A says that some systems use a special modulated shift control solenoid. Technician B…

A: In automobile the transmission system uses shift control solenoid which shift the gear…

Q: True or False? Detonation is usually caused by retarded ignition timing.  a. True    b. False

A: Detonation is a phenomenon in the spark-ignition engine (SI engine). The phenomenon in which the end…

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: A six-cylinder engine has a 1 5 3 6 2 4 firing order. Technician A says that after cylinder number 1…

A:

Q: The normal minimal cranking voltage specification isapproximately ___ .a. 9.6 voltsb. 10.5 voltsc.…

A: When starting an engine, the voltage that is available on the starter is known as the cranking…

Q: Which of the following is commonly used as a transmissionneutral start switch?a. Mercuryb.…

A: Given Transmission neutral start switch To find Technology used

Q: Carbon deposits on the intake valve or seat may cause the valve not to close properly. Tech a says…

A: If carbon deposits form on the valves or valve seats, the valves will be unable to close properly.…

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 techs are discussing oil coolers. Technician A says that when inspecting oil- to-water type…

A: Solution:

Q: The CV joint boots on the left side of a vehicle appear to be squeezed together; the boots on the…

A: The function of engine mounts is to limit the movement of the engine, hold it in a position and…

Q: While discussing EFI systems: Technician A says that the PCM provides the proper air-fuel ratio by…

A: The PCM chooses the air-fuel proportion by admiring the look-into tables enlisted in its memory. The…

Q: what allows the stator to operate correctly during vortex and rotary flow 1. the torque converter…

A: The torque converter clutch allows the stator to operate correctly during vortex and rotary flow.

Q: Automatic transmissions use a __ instead of a clutchto transfer power from the flywheel to the…

A: An automated car is one that has an automatic gearbox and does not require the driver to manually…

Q: Technician A says that some shift solenoids can be activated by providing a ground for the solenoid.…

A: The shift solenoid is used in the gear assembly which shifts the gear according to the desire of…

Q: Technician A says that some systems use a special modulated shift control solenoid. Technician B…

A: Hi, thank you for the question. We’ll answer the first question since we answer only one question at…

Q: What does a slope in the spark line represent?   a. Low secondary resistance     b. High resistance…

A: The spark plug is an important element of SI engines to burn the air-fuel mixture (Petrol-Air). It…

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: 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: 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: 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: Tech A says that the use of some RTV sealants to seal components on an engine can damage the oxygen…

A: Among all the sealants, the pliable silicone sealants like RTV are commonly used sealants while…

Q: Technician A states that coolant in a normal flow cooling system flows from the radiator to the…

A: Answer: a) Technician B only

Q: valve may be operated by any of the following except? a. none of the choices b. electronically c.…

A: Solution is given below

Q: A small horsepower Briggs engine's spark plug is firing too late. Tech a says that the spark plug…

A: Tech A is correct.

Q: Technician A checks a starter’s field coils for opensby connecting an ohmmeter between the…

A: Given Starter’s field coils check To find Which technician is or are correct

Q: While discussing throttle-by-wire systems: Technician A says that a spring on the throttle shaft…

A: Given that Technician A says that a spring on the throttle shaft provides the limp-home feature.…

Q: What is the name for the gas-filled pressure chamberthat is part of the antilock braking system’s…

A: The antilock braking system is a safty anti skid braking system that is normally used in modern…

Q: Which of the following ensures proper timing of the intake and exhaust valve events?

A: The timing of the intake and exhaust valve events helps in proper timely working of the engine.

Q: When the throttle plates are closed in a port injectionsystem, where does the air needed for idle…

A: Port fuel injection on which fuel is delivered directly into the cylinder head or intake manifold of…

Q: In a typical all wheel drive automatic transaxle, what controls the transfer clutch?a. Transmission…

A: In a typical all-wheel-drive automatic transaxle, the transfer clutch isn't directly controlled by a…

Q: Technician A says a purpose of a lockup piston clutch is to improve fuel economy. Technician B says…

A: As we know that the purpose of lockup piston clutch is to improve fuel economy as well as it is…

Q: A discussion concerning CV joint testing is being held. Technician A says that a recommended method…

A: CV Joint:  CV joint means Constant Velocity Joint. They are used to transfer the power in a variable…

Q: A vehicle is having its water pump replaced. When the water pump is removed, severe corrosion is…

A: A vehicle is having its water pump replaced. When the water pump is removed, severe corrosion is…

Q: What do electronically controlled systems use to control the primary ignition circuit?   NPN…

A: Given :-  What do electronically controlled systems use to control the primary ignition circuit? NPN…

Q: Technician A says there is less heat energy in high octane gasoline and, therefore less power is…

A: Technician A says there is less heat energy in high octane gasoline and, therefore less power…

Q: Which of the following is true about a sequence valve? Sequence valves:

A: A sequence valve is a normally closed, pressure-operated poppet or spool valve that opens at a…

Q: While testing variable resistors: Technician A saysthat while checking a rheostat with a voltmeter,…

A: Given Variable resistor To find Which technician procedure is correct

Q: Tech A says that the weight of the flywheel smoothes out the engine’s power pulses. Tech B says that…

A: Flywheel: A flywheel is a mechanical device having higher value of moment of inertia. This high…

Q: Technician A says throttle pressure is controlled directly by the pressure regulator valve.…

A: According to Technician A - "throttle pressure is controlled directly by the pressure regulator…

Q: A technician is working on a 2005 BMW 7 series..  The compressor is running all the time and the air…

A: In a vehicle,  If compressor is running continuously without stopping. This will reduce the amount…

Q: Technician A says that installing a thermostat incorrectly can cause the housing to break.…

A: Solution:

Q: A digital speedometer constantly reads 0 mph : TechnicianA says that the problem may be the…

A: Given Speedometer To find Which technician is correct

Clutches, Brakes, Couplings, and Flywheels

The clutch is described as a machine element used to connect or disconnect two shafts together to transmit torque or power. The clutch works on the principles of friction. The clutch is commonly used in automobiles to transfer power from the driving shaft to the driven shaft.