Colleges are wise to the scheme of students applying and getting accepted to study in a less competitive major and then trying to transfer to the harder to get into program once they are in the school. For that reason many colleges make internal transfers into a more competitive program than a student has been admitted to very very difficult. Check the policy of each school you are considering, but my general rule is that if you think that you want to be an engineer, then apply to the school of engineering. Otherwise you could be stuck at a school where you are not able to study what you want.