Sure, but you might want to wear a jacket or sweater because of the possibility of air conditioning.
You can, but don't forget a jacket or sweater in case of air conditioning.
20 cm
The answer varies from one manufacturer to another - especially if they are domestic spaghetti makers.
The most common noodle is the spaghetti noodle. The average standard length of an uncooked spaghetti noodle is about 14 inches.
Several feet, if it is proper spaghetti. The supermarket stuff is around 10 inches.
9-11 inches long
Inches
A standard spaghetti stick is typically about 25-30 centimeters (10-12 inches) in length and has a diameter of around 2 millimeters (0.08 inches). This size can vary slightly depending on the brand and type of pasta, but most dried spaghetti falls within this range. When cooked, spaghetti can soften and expand, but its length generally remains similar.
26 cm
Yes about 1 inch. That's because the spaghetti originally is contracted and hard. And heating normally expands a substance, so when the spaghetti is boiled, the heat supplied causes it to expand a little.
Yes - totally appropriate.
It is generally measured in grams. There is not much point in measuring it by length (such as cm or meters) because the length is not entirely consistent and it is rather impractical to line up strands of spaghetti end to end to determine the total length.