Ask them point blank. What's the culture like here? If I fail, admit it and fix it is there repercussions? How do you guys help newbee people come up to speed

Ask them point blank. What's the culture like here? If I fail, admit it and fix it is there repercussions? How do you guys help newbee people come up to speed? What would my first week be like? Are there any company outings? Is it looked upon bad if I don't go cause I am busy? Are there any normal weekly events that happen? Is it frowned upon to write code outside of work for myself or open source? etc. Visually: What's the environment look like? Do you see anybody laughing and having a good time, or is everyone's head down into their desk and not looking up? Are the machines old? Are the work environments nice (even if dated) etc. Look at how many layers of management there are. BTW -- any awkward pauses on the questions or doubts on the visual and you already have an answer.