(Engine Repair) Chapter 13 questions
with verified answers graded A+
45 - correct answer ✔✔Common passenger car engines have a valve seat angle of:
Valve float - correct answer ✔✔Low valve spring tension can cause:
Tech A Only - correct answer ✔✔A car with a DOHC V-8 engine is brought into the shop.
Technician A says that the engine is called a dual overhead camshaft engine because it has two
camshafts, one in each cylinder head. Technician B says the camshaft in a dual overhead
camshaft engine has twice as many lobes as a single overhead camshaft because it operates
both intake and exhaust valves. Who is right?
Hydraulic - correct answer ✔✔Which type of valve lifter is filled with oil?
All of the above (When each valve opens, How long each valve stays open, How far or wide each
valve opens) - correct answer ✔✔Variations in cam lobe shape control _____.
camshaft lift - correct answer ✔✔The distance the valve opens is determined by _____.
The length of the valve spring when removed from the engine. - correct answer ✔✔What is
valve spring free length?
float - correct answer ✔✔Valve _____ occurs when the valve fails to close entirely at high
engine speeds because the spring is too weak.
with verified answers graded A+
45 - correct answer ✔✔Common passenger car engines have a valve seat angle of:
Valve float - correct answer ✔✔Low valve spring tension can cause:
Tech A Only - correct answer ✔✔A car with a DOHC V-8 engine is brought into the shop.
Technician A says that the engine is called a dual overhead camshaft engine because it has two
camshafts, one in each cylinder head. Technician B says the camshaft in a dual overhead
camshaft engine has twice as many lobes as a single overhead camshaft because it operates
both intake and exhaust valves. Who is right?
Hydraulic - correct answer ✔✔Which type of valve lifter is filled with oil?
All of the above (When each valve opens, How long each valve stays open, How far or wide each
valve opens) - correct answer ✔✔Variations in cam lobe shape control _____.
camshaft lift - correct answer ✔✔The distance the valve opens is determined by _____.
The length of the valve spring when removed from the engine. - correct answer ✔✔What is
valve spring free length?
float - correct answer ✔✔Valve _____ occurs when the valve fails to close entirely at high
engine speeds because the spring is too weak.
