1. Answer: The tools help the reader visualize something being created.
Explanation: All the references to tools are there to give the reader an image of something tremendously strong, beautiful and potentially deadly, like a machine, being built in a workshop.
2. Answer: The rhythm adds urgency to the questions posed in the poem.
Explanation: The regular meter and consistent rhythm and rhyme scheme add to the unnerving, 'pacing' feeling of the poem.
3. Answer: The third and forth examples.
Explanation: In the third example, the verb "frame" carries the meaning of "give shape," and in the forth example, the hand and feet he is asking about refer to those of its creator, continuing the pattern introduced in the two last lines of the first stanza.
4. Answer: The process of creating the tiger is as dangerous as working with molten iron.
Explanation: See question 1.
5. Answer: "Dare its deadly"
Explanation: Invoking the idea of death paired with that of courage is an effective way of evoking a mood of fear.