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Chapter 11 Engine Fundamentals Exam Study Guide Test.
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Chapter 11 Engine Fundamentals Exam Study Guide Test. Engine - CORRECT ANSWER Source of power for the vehicle TDC (Top Dead Center) - CORRECT ANSWER The piston at its highest point in the cylinder BDC (Bottom Dead Center) - CORRECT ANSWER The piston at its lowest point in the cylinder ...

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  • August 19, 2024
  • 6
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • engineering
  • chapter 11 engine fundamentals exam study guide te

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  • ENGINEERING.
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Chapter 11 Engine Fundamentals Exam
Study Guide Test.

Engine - CORRECT ANSWER Source of power for the vehicle



TDC (Top Dead Center) - CORRECT ANSWER The piston at its highest point in the cylinder



BDC (Bottom Dead Center) - CORRECT ANSWER The piston at its lowest point in the cylinder



Piston Stroke - CORRECT ANSWER The distance the piston slides up or down from the TDC to the BDC



Four Stroke Cycle - CORRECT ANSWER Intake, compression, power, exhaust



Intake stroke - CORRECT ANSWER Draws fuel and air into the engine; the intake valve is open and the
piston is moving down in the block



Compression Stroke - CORRECT ANSWER Squeezes the air fuel mixture to prepare it for combustion;
both valves are closed and the piston is moving up in the block



Power Stroke - CORRECT ANSWER The spark plug fires as the piston nears TDC, igniting the air-fuel
mixture; the expansion of gases are transferred from the piston resulting in crankshaft rotation



Exhaust Stroke - CORRECT ANSWER Removes burned gases from the engine; exhaust valve is open and
piston is moving up



Engine Bottom End (Short Block) - CORRECT ANSWER Crankshaft, block, connecting rods, and pistons
also called the rotating assembly



Engine block (cylinder block) - CORRECT ANSWER Forms the main body of the engine

, Cylinders - CORRECT ANSWER Round holes machined (top-to-bottom) through the block that hold the
pistons



Deck (Deck surface) - CORRECT ANSWER The top of the block surrounding the cylinders



Water jackets - CORRECT ANSWER Coolant passages through the block



Core plugs (freeze plugs) - CORRECT ANSWER Round, metal plugs on the outside of the block. Seal holes
in the block



Main bearing bores - CORRECT ANSWER Holes machined in the bottom of the block (front-to-back) to
hold the crankshaft



Main bearing inserts - CORRECT ANSWER Fit into the main bore and support the crankshaft



Main caps - CORRECT ANSWER Bolt to the bottom of the block and hold the crankshaft and main bearing
inserts in place



Crankshaft - CORRECT ANSWER Changes the up and down (reciprocating) movement of the pistons into
rotating motion



Crankshaft main journals - CORRECT ANSWER Fits into the blocks main bearings



Crankshaft rod journals - CORRECT ANSWER Connecting rods bolt to the rod journals



Counterweights - CORRECT ANSWER On the crankshaft to prevent vibration



Crankshaft snout - CORRECT ANSWER Sticks through the front of the block and supports the camshaft
drive, front damper and pulleys

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