Investigating Mechanisms & Machines (Junior Cert Engineering): Flashcards
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13 cards from this deck
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Practise the cards
13 cards from this deck
7 assessment criteria for mechanisms
7 assessment criteria for mechanisms
Appearance, Function, Safety, Cost, Ease of use, Reliability, Maintenance
Can opener cutting mechanism
Can opener cutting mechanism
Combination of cutting edge and toothed wheel
Surface gauge definition
Surface gauge definition
Precision measuring tool used in engineering workshops
Mortise lock location
Mortise lock location
Into a slot cut into a door
Mortise latch curved side purpose
Mortise latch curved side purpose
Gets pushed into lock by receiver when door closes
Electric bell energy conversion
Electric bell energy conversion
Electrical energy into sound
4-stroke engine mechanism type
4-stroke engine mechanism type
Crank-slider mechanism
Crankshaft function
Crankshaft function
Converts reciprocating motion into rotary motion
Engine 'stroke' definition
Engine 'stroke' definition
Piston movement from highest to lowest point (or vice versa)
4-stroke cycle: number of strokes
4-stroke cycle: number of strokes
4 piston strokes (2 crankshaft revolutions)
4 strokes in order
4 strokes in order
Induction, Compression, Power, Exhaust (In-Com-Pow-Ex)
Power stroke process
Power stroke process
Spark ignites fuel, combustion forces piston down
2-stroke cycle: number of strokes
2-stroke cycle: number of strokes
2 strokes (1 crankshaft revolution)