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WorksheetsEngine fundamentals part ll
Total questions: 27
Worksheet time: 14mins
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
Which of the following is not a method by which a camshaft can be driven.
Belt
Chain
Gears
Rotator
A cam lobe consist of each of these except:
Heel
Nose
Head
Flank
The device used to limit camshaft endplay is the:
Cam cover
Thrust plate
Cam bearing
Valve overlap
Which type of valve lifter is filled with oil?
Solid
Hydraulic
Mechanical
All of the above
When the top of the piston outside diameter is machined slightly smaller than the bottom, it is called a:
Pop-up piston
Dished piston
Cam-ground piston
Piston taper
Which of the following does not relate to modern piston assemblies?
Full-floating pin
Press-fit pin
Bolted piston pin
Offset piston pin
Which of the following does not pertain to engine bearings?
Load strength
Lubrication absorption
Conformability
Embedability
Which of the following is not a basic part of an engine bottom end?
Block
Valve train
Crankshaft
Connecting rod
A piston head can reach operating temperatures as high as:
450 degree
500 degree
650 degree
700 degree
Which of the following provides clearance between the piston and the crankshaft counterweights?
Slipper skirt
Piston taper
Valve reliefs
Compression rings
The distance from the piston pin hole center line to the piston top is called:
Skirt length
Piston diameter
pin hole diameter
Compression distance
The piston type commonly used with a wedge-type cylinder head is:
Concave
Pop-up
Flat-top
All of the above
The most common oil rings consist of:
Two rails and a spacer
Ten slots and a spacer
Three rails and a expander
Seven slots and an expander
The difference between piston ring width and ring groove width determines.
Ring gap
Ring side clearance
Ring wall thickness
Ring back clearance
The purpose of a drilled connecting rod is to:
Rotate the piston pin
Create piston pin offset
Prevent pressure leakage
Supply oil to the piston pin
How many connecting rods bolt to each crankshaft journal in a V-type engine?
One
Two
Three
Four
Basic types of engine bearings include each of these except:
Piston Bearings
Camshaft bearings
Crankshaft bearings
Connecting rod bearings
