QUESTION: Generate a question with a factual answer?

ANS: When were the diaries of Napoleon's valet published?

QUESTION: Generate a question with a factual answer?

ANS: What people were a menace to the coastal areas of the Province of carolina?

QUESTION: Generate a question with a factual answer?

ANS: How many photographs are in BYU's Museum of Peoples and Cultures?

QUESTION: Generate a question with a factual answer?

ANS:
The choice of seals, or chamber geometry ,for example impact a pump. Together these are options are called what?