Best Answer

20 ra is worse

User Avatar

Wiki User

โˆ™ 2008-02-08 19:25:36
This answer is:
User Avatar
Study guides


20 cards

Who is known as the first African American scientist

What is Luis Alvarez's cultural background

What was Benjamin Banneker's ethnic background

Which scientist used mathematical knowledge to calculate the exact measurement of the meter

See all cards
374 Reviews

Add your answer:

Earn +20 pts
Q: Which is rougher 15 Ra or 20 Ra Ra is Roughness average a term used in passivation?
Write your answer...
Still have questions?
magnify glass
Related questions

Can the roughness of a ramp slow down a toy car?

Yes. Roughness is a general term that refers to more friction, and friction will slow motion.

What is meant by the term gratton?

The term gratton is French and means roughness of a rock. They are also known as pork rinds or cracklings in France. They often use them in their stews.

What is the definition of the term 'brusque'?

The definition of the term "brusque" is to be abrupt and curt in manner or speech. Sometimes a slight roughness can also be noticed. Blunt is a synonym that is more commonly used in daily speech.

What is 'tooth' in reference to drawing?

Tooth is the term used to determine the roughness of the ground (paper,artist's board, etc.) on which you are intending to draw. A ground with little tooth is generally smooth and polished with a "hard" surface. This sort of ground gathers less of your medium. A ground with a lot of tooth is generally rougher and coarser with a "softer" surface. This sort of ground will gather more of you medium with much less pressure than a smoother surface.

What is the origin the the saying cheap shot?

It is a sports slang term from American Football. the second half of the 1900's meaning deliberate roughness against an unprepared apponent

What is the term for the average time it takes for customers to pay you?

The term for the average time it takes for customers to pay you is the average collection period.

What does does the mean reflect the average?

Mean is the mathematical term for average.

Does climate refer to long term average conditions?

Yes. Climate refers to long term average conditions.

What is the math term for average?

the mean

What is the mathamatical term for mean?

The mathematical term for "mean" is "mean".The popular, or colloquial term for "mean" is "average".

What is an average joe?

An average Joe is an informal American term for a typical person.

What is the math term for the word mean?


People also asked