Lesson 2 - Piston Engine Principles Flashcards
1
Q
The four stroke cycle strokes are?
A
1) Induction (Suck)
2) Compression (Squeeze)
3) Power (Bang)
4) Exhaust (Blow)
2
Q
The term stroke refers to
A
The distance the piston travels between TDC and BDC.
3
Q
To move the piston through one stroke the crankshaft must rotate
A
180’
4
Q
How many degrees must the crankshaft turn in a four stroke full cycle?
A
720’
5
Q
Why does the four stroke engine have two spark plugs per head?
A
Efficiency and Redundancy
