Engine fundamentals part ll

This part is pressed into the cylinder head on some diesel engines.

• Stratified charge chamber

• Glow plug

• Injection nozzle

• Prechamber cup

Which of the following does not pertain to valve springs?

• Free length

• Tension

• Tensile strength

• Closed length

Variation in camshaft lobe shape control

• When each valve opens

• How long each valve stays open

• How far or wide each valve opens

• All of the above

The cam based circle diameter of a camshaft is 3/4". The camshaft's cam lobe height is 1/2". What is the approximate camshaft lift of this engine?

• 3/8"

• 1/4"

• 1/2"

• None of the above

An engine top end typically consists of each of these except:

• Valve train

• Connecting rod

• Cylinder head

• Intake manifold

Which of the following is a hole machined through the cylinder head?

• Stellite face

• Valve seat insert

• Intregal vale guide

• Pressed-in valve guide

Common passenger car engines have a valve seat angle of:

• 10 degree

• 20 degree

• 25 degree

• 45 degree

Which of the following is a cross between an oil seal and a valve spring shield?

• Nylon shedder

• O-ring valve seal

• Valve spring shim

• Umbrella valve seal

Low valve spring tension can cause

• Valve float

• Valve rotation

• Valve spring shim

• Mushroomed valves

Which of the following is used to lock a valve spring on a valve?

• Retainer

• Keeper

• Seal

• Both A and B