Engine Repair Test 2 questions &
answers graded A+ updated
Technician A says some engines have valves in the block.
Technician B says the cylinder head's main job contain combustion chamber temperature and
pressure when the air/fuel mixture ignites.
Who is correct? - correct answer ✔✔Both
Technician A says some engines have the cam shaft in the block.
Technician B says all engines have a camshaft in the cylinder head.
Who is correct? - correct answer ✔✔A
Technician A says OHC engines have valves in the head.
Technician B says GDI is an OHV engine.
Who is correct? - correct answer ✔✔A
Technician A says DOHC engines have one cam per cylinder head.
Technician B says GDI is Gasoline Direct Injection.
Who is correct? - correct answer ✔✔B
Technician A says the first GDI engine to reach production was introduced in 1925.
Technician B says electronic GDI system was introduced in 1996 by Mitsubishi.
Who is correct? - correct answer ✔✔Both
, Technician A says GDI has vehicles in the United States has increased from 2.3% of 2008 vehicles
to approximately 50% for 2016.
Technician B says GDI problems are mostly with carbon build up on the intake valves.
Who is correct? - correct answer ✔✔Both
Technician A says valve seats and valve faces seal the combustion chamber.
Technician B says peak cylinder pressure in the combustion is 4500 psi.
Who is correct? - correct answer ✔✔A
Technician A says two valve seals are used to "lock" the valve stem to the spring retainer.
Technician B says during the intake stroke the air pressure above the valve stem and guide is
lower than the air pressure inside the combustion chamber.
Who is correct? - correct answer ✔✔Neither
Valve stems are being discussed.
Technician A says by design a small amount of oil is expected to enter the combustion chamber.
Technician B says the valve keepers control how much oil is lubricating the valve stem and valve
guide.
Who is correct? - correct answer ✔✔A
On Car Valve spring removal is being discussed.
Technician A says it requires putting the cylinder at TDC.
Technician B says it requires removing the timing chain.
Who is correct? - correct answer ✔✔A
On Car Valve spring removal is being discussed is being discussed.
answers graded A+ updated
Technician A says some engines have valves in the block.
Technician B says the cylinder head's main job contain combustion chamber temperature and
pressure when the air/fuel mixture ignites.
Who is correct? - correct answer ✔✔Both
Technician A says some engines have the cam shaft in the block.
Technician B says all engines have a camshaft in the cylinder head.
Who is correct? - correct answer ✔✔A
Technician A says OHC engines have valves in the head.
Technician B says GDI is an OHV engine.
Who is correct? - correct answer ✔✔A
Technician A says DOHC engines have one cam per cylinder head.
Technician B says GDI is Gasoline Direct Injection.
Who is correct? - correct answer ✔✔B
Technician A says the first GDI engine to reach production was introduced in 1925.
Technician B says electronic GDI system was introduced in 1996 by Mitsubishi.
Who is correct? - correct answer ✔✔Both
, Technician A says GDI has vehicles in the United States has increased from 2.3% of 2008 vehicles
to approximately 50% for 2016.
Technician B says GDI problems are mostly with carbon build up on the intake valves.
Who is correct? - correct answer ✔✔Both
Technician A says valve seats and valve faces seal the combustion chamber.
Technician B says peak cylinder pressure in the combustion is 4500 psi.
Who is correct? - correct answer ✔✔A
Technician A says two valve seals are used to "lock" the valve stem to the spring retainer.
Technician B says during the intake stroke the air pressure above the valve stem and guide is
lower than the air pressure inside the combustion chamber.
Who is correct? - correct answer ✔✔Neither
Valve stems are being discussed.
Technician A says by design a small amount of oil is expected to enter the combustion chamber.
Technician B says the valve keepers control how much oil is lubricating the valve stem and valve
guide.
Who is correct? - correct answer ✔✔A
On Car Valve spring removal is being discussed.
Technician A says it requires putting the cylinder at TDC.
Technician B says it requires removing the timing chain.
Who is correct? - correct answer ✔✔A
On Car Valve spring removal is being discussed is being discussed.
