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WorksheetsWeek 6 Block and Crankshaft Quizz
Total questions: 20
Worksheet time: 10mins
What is another name for a core plug?
Retainer plug
Frost plug
Sand plug
Block plug
Seasoning of cast iron components requires ______.
Multiple hot and cold cycles
An extended heat cycle
Extreme cold conditions
All of these are correct
Advantages of compact graphite iron may include __________.
Lower tensile strength
Reduced stiffness
Weight reduction
All of these are correct
Which of the following is correct concerning cylinder block material?
Most cylinder blocks are manufactured from cast iron
Aluminum is popular in many light-duty European diesels from Mercedes and Volkswagen
Both of these
Neither of these
Typically, induction hardening is effective to no more than __________ deep.
0.02" (0.51 mm)
0.03" (0.76 mm)
0.04" (1.01 mm)
0.06" (1.52 mm)
What is the appropriate tool to verify TIR?
Feeler blades
Protrusion gauge
Dial indicator
Height gauge
A misaligned flywheel housing may produce __________.
Input shaft bearing failure
Vibrations
Rear main leaks
All of these are correct
An elastomeric dampener’s inner hub is mounted to __________.
Nothing—it is free running
The crankshaft
The camshaft
The inside of the dampener assembly
Which block design is one of the smoothest operating?
Latter frame
Tunnel bore
Cross bolted
Deep skirt
What is an advantage of the dry sleeve block?
Using a dry cylinder sleeve provides the great advantage of quick restoration of the cylinder block to original specification through the installation of new sleeves
Dry sleeved blocks tend to weigh more than parent bore blocks
Both of these
Neither of these
Technician A says plateau honing does not reduce engine oil consumption during break-in. Technician B says plateau honing does not reduce the time and distance required for engine break-in. Who is correct?
Tech A
Tech B
Both Techs
Neither Tech
Technician A says plain bearings are best to achieve long engine life. Technician B says bearings fail when the oil film breaks down or when the bearing is overloaded. Who is correct?
Tech A
Tech B
Both Techs
Neither Tech
Insert bearings perform a number of important functions, including __________.
Increased friction
Increased heat
Serving as replaceable wear surfaces
All of these are correct
Which layer of an insert bearing is utilized for embeddability?
Steel backing
Soft lead layer
Tin
Nickel
In most engines, liner protrusion must be no more than 0.002" to __________ between the highest and lowest liner.
0.003"
0.004"
0.002"
0.005"
Wet cylinder liners are normally installed with the flange located __________.
Even with the block deck
Below block deck
Above block deck
At any height
A dry liner with an excessively loose fit will not transfer __________ to the cylinder block as effectively as a correctly fitting liner.
Heat
Energy
Coolant
Lubricant
A dial bore gauge should be used to verify cylinder __________.
Length
Outside diameter
Taper
Protrusion
The leading cause of engine bearing failure is __________.
Storage and handling
Installation error
Contaminated lubricant
Inadequate lubricant
Insufficient crankshaft endplay may be the result of a(n) __________.
Spun main bearing
Misaligned main bearing cap
Over torqued cap
Wrong bearing installed
