TASK DEFINITION: Given the Question and Answer pair, detect whether the answer is acceptable or not. Denote acceptable answer as "yes", otherwise denote as "no". An acceptable answer is consistent with the context in question, detailed, long, and uses general knowledge of English. Answers that are not definite and suggest a variety of options are not acceptable answers.
PROBLEM: Question: How does one correctly apply "in which", "of which", "at which", "to which", etc.? I'm confused with which one to apply when constructing sentences around these. 
Answer: The trick to knowing how to use; of which, at which, in which, to which, from which is to analyse the prepositional phrases, phrasal verbs, verbs and prepositions: He /spoke of/ war and peace and many other topics that day. The topic /of which he spoke/ was complex. The verb here that means to speak about a topic is /to speak/ of a topic/: to mention The party /at which/ he spoke/ was noisy. Phrase: A party is held /at a place/. It is implied. The situation /in which/ we found ourselves was dire. Phrase: /to find oneself /in a situation. The bonds /from which/ we broke free were tight. phrase: to /break free/ from bonds. The town /to which/we were driving was 50 ks away. phrase: to /drive/ to a place. Summary (and not a complete answer but a general one): The preposition depends on the verb that takes a preposition, a phrasal verb that includes a preposition, or it depends on the prepositional phrase used. Also, there are many other prepositions that can be paired with which: under, during, about, over, etc.

SOLUTION: yes

PROBLEM: Question: Are there programmers here? I'd like to know how you guys pronounce cURL. Because I don't live in a country that uses English, I haven't heard it yet. 
Answer: According to the authors of the library, We pronounce curl and cURL with an initial k sound: [kurl]. This same FAQ notes that one of the reasons for which the name was chosen was "[t]he fact it can also be pronounced 'see URL'", an obvious pun on the use of the library, which as you know is to retrieve web resources. For what it's worth, I always pronounce it with the initial k sound, as in the English word "curl.".

SOLUTION: yes

PROBLEM: Question: My spellchecker insists on replacing "furthest" with "farthest". I was under the impression that farthest is strictly speaking in terms of distance, whereas furthest is more abstract. A poster on this forum gives the following example: The further [quantity] you walk, the farther [distance] you get. What gives? 
Answer: In a grammar book l bought recently I found an enty which read as follows ;Far-further, furthest. When I went to school we were taught that the comparative adjective Far became farther than ,when we talk about physical distance . Bari is Farther from Milan than Venice. Further is used in an abstact sense. He arrived further up in his career than his sister.

SOLUTION:
no