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What is the shape of the piston in the Wankel engine?

circular
rectangular
triangular
oval
In this engine the pistol has a triangular shape (Reuleaux triangle with a slightly convex edges).
Ninjai
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Correct this question
wikipedia → Wankel engine
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Answers by country

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answers
flagVatican City
0%
0%
100%
0%
13
flagSwitzerland
8%
8%
76%
8%
25
flagRepublic of Ireland
11%
5%
76%
5%
17
flagAustralia
11%
5%
72%
11%
18
flagthe Netherlands
0%
0%
72%
27%
11
flagPoland
8%
3%
70%
16%
5939
flagGermany
8%
8%
66%
15%
221
flagAustria
10%
7%
66%
15%
39
flagGreece
0%
16%
66%
16%
12
flagthe United States
10%
8%
63%
15%
130
flagthe United Kingdom
11%
5%
61%
19%
86
flagCanada
5%
16%
61%
11%
18
flagFrance
0%
10%
50%
40%
10
flagIndia
22%
7%
47%
19%
71

Does the candle burn more or less violently in zero gravity?

more violently
about the same
less violently
nobody knows

Which area is brighter?

A
B
Both are the same
It depends on the order of seeing

How many dots at the intersections are black?

10%
25%
50%
None

What is the name of the basic Windows graphic editor?

Gimp
Paint
Photoshop
Word