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14 Cards in this Set
- Front
- Back
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What causes piston slap?
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worn pistons and liners
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Cracks in a piston crown may be caused by a?
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failure of the cooling system
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By what means can you detect clogged lube oil passages in a connecting rod assembly?
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a careful visual inspection
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What is most likely to occur if a piston assembly is installed in a cylinder with insufficient piston to liner clearance?
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piston binding in the cylinder
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Proper balancing of engine cylinder loads included which three factors?
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exhaust temperature, rack setting and firing pressures.
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What causes oxidation of lubrication oil?
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high operating temperatures
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Which is not a function of the piston rings?
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Position the piston in the cylinder
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Insufficient piston ring pressure may be responsible for?
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rings binding in ring grooves
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Piston rings which have angle type gaps should be positioned on the piston so that the slope of the gaps on adjacent rings will be?
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in alternating directions 180 degrees apart
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After you have properly installed a new set of pistons rings and connecting rods bearings, the engine is run the first time and the top compression ring breaks. What is the most probable cause?
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Cylinder ridge not removed
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Improper lubrication of piston pins and bushings may be caused by?
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misalignment of pistons pin bushing
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Cracked connecting rods are usually caused by?
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Overloading
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Why is it not recommended that cracked connecting rods be repaired?
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eventual breakage might result in serious damage
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Which will cause only the lower half of a main bearing to fail?
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overloading of the engine
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