WorksheetsInner Engine Quiz
Total questions: 25
Worksheet time: 13mins
What is the term that quantifies the amount of air that is moved in the piston chamber in one stroke? (2 points)
Compression Ratio
Displacement
Piston Groves
Spark Plug
At what point is air/fuel mixture the most compressed in an engine? (2 points)
At “the point of no return,” the piston is transitioning from intake to compression
Between the compression and power strokes with the piston at top dead center
During valve overlap, at the end of compression and beginning of intake
When the piston is at bottom dead center and entering the exhaust stroke
Which of these scenarios best describes the ideal piston ring gap placement in a properly aligned engine? (2 points)
All gaps should be aligned within the piston
All gaps should be on different parts of the piston
Only two rings should be used on the piston
Two gaps should be aligned, the third should be opposite
Which of these is not one of the cylinder bore patterns we discussed in class? (2 points)
Cross-Hatch
Diamond Bore
Peak and Valley
All of the Above are Patterns
5. What is the term that represents the sharp edges within the cylinder bore? (2 points)
Asperities
Cooling Fin
Oil Slinger
Thermal Growth
What material is used in a typical oil filter? (2 points)
Crimped Metal
Linoleum
Pleated Paper
Smooth Plastic
Area in which piston rings are added to aid in lubrication
Cooling Fins
Exhaust
Oil Slinger
Piston Grooves
Thermal Growth
Overheating of engine parts causing permanent distortion.
Cooling Fins
Exhaust
Oil Slinger
Piston Grooves
Thermal Growth
Primarily structure used to move heat away from an engine
Cooling Fins
Exhaust
Oil Slinger
Piston Grooves
Thermal Growth
Used in a splash lubrication system to spread oil in the block
Cooling Fins
Exhaust
Oil Slinger
Piston Grooves
Thermal Growth
Valve in the engine most likely to be subjected to heat
Cooling Fins
Exhaust
Oil Slinger
Piston Grooves
Thermal Growth
Heating of a substance of surface through air or gasses
Conduction
Convection
Radiation
Movement of heat through a empty space
Conduction
Convection
Radiation
Transmission of heat directly through a substance
Conduction
Convection
Radiation
When reading a namplate, what does the First one or two digits mean?
Cubic Inch Displacement (CID)
Type of Starter
Orientation of Crankshaft
Basic Design Series
When reading a namplate, what does the Second or third digit mean?
Cubic Inch Displacement (CID)
Type of Starter
Orientation of Crankshaft
Basic Design Series
When reading a namplate, what does the Third or fourth digit mean?
Cubic Inch Displacement (CID)
Type of Starter
Orientation of Crankshaft
Basic Design Series
Types of Bearings
When reading a namplate, what does the Second to last digit mean?
Cubic Inch Displacement (CID)
Type of Starter
Orientation of Crankshaft
Basic Design Series
Types of Bearings
When reading a namplate, what does the Last Digit mean?
Cubic Inch Displacement (CID)
Type of Starter
Orientation of Crankshaft
Basic Design Series
Types of Bearing
This part of the engine converts linear motion of the piston into rotary motion. #13
Connecting Rod
Pushrods
Crankshaft
Camshaft
This part of the engine seals the combustion chamber through inherent and applied pressure. #5
Piston Rings
Piston Arms
Piston
Wrist Pin
This part of the engine "splashes" the lubrication system components with oil. #8
Lifters
Oil Dipper/Slinger
Valves
Rocker Arms
This part of the engine is a lever that serves to work a value and is operated by a pushrod. #2
Connection Rod Cap
Valve Springs
Piston Pins
Rocker Arms
This part of the engine controls the "breathing" of the internal engine. It helps to close the valves. #11 (1 point)
Valve Springs
Valve Rings
Connection Rod Cap
Rocker Arms
What is the difference between conventional and synthetic oil? (1 point)
Synthetic has fewer impurities
Conventional oil is cheaper than synthetic
Synthetic has fewer emissions
All of the above
