Please capitalize where necessary: if the database should not expand beyond its initial size, set maximum growth size to zero.
A: If the database should not expand beyond its initial size, set maximum growth size to zero.

Q: during the repair process, a complete scan of the corrupted zip file is performed to locate and fix errors.

A: During the repair process, a complete scan of the corrupted ZIP file is performed to locate and fix errors.

Q: a global status report [pdf] commissioned by the german government estimates that all 52 reactors under construction as of mid-2009 plus an additional 42 reactors would have to be built and come online by 2015 to maintain the same number of operating reactors in the world over time.
A: A global status report [PDF] commissioned by the German government estimates that all 52 reactors under construction as of mid-2009 plus an additional 42 reactors would have to be built and come online by 2015 to maintain the same number of operating reactors in the world over time.

Problem: length of a rack: 18.5 cm
Can you repeat this sentence, but capitalize it?
Answer: Length of a rack: 18.5 cm

Text: precisely when it comes to adam & eve, feyerabend deviates markedly from merian: first comes the unicorn, then an eagle, then adam & eve around a small tree with a parrot, then the tree of knowledge with serpent and finally a lion.

Correct capitalization: Precisely when it comes to Adam & Eve, Feyerabend deviates markedly from Merian: First comes the unicorn, then an eagle, then Adam & Eve around a small tree with a parrot, then the Tree of Knowledge with serpent and finally a lion.

Text: morning temperatures will be around 12 c. during the day they will reach a maximum of 23 c. low temperatures at night will be around 11c. we have weak southwesterly winds.

Correct capitalization:
Morning temperatures will be around 12 C. During the day they will reach a maximum of 23 C. Low temperatures at night will be around 11C. We have weak southwesterly winds.