try go monday 8am with all the papers ready, maybe they let you do or give you appointment. Lot of questions here thaidriveexam.com. Alcohol was the second one
yes, that's true and the other one is true too, need to flip a coin. I think correct translation should be alcohol improves the time to react which is false.
For another question I had to choose the only wrong answer because it was missing a negation in the question...
then you'll have to do all the training, theory exam and practical exam. Haven't mentioned the practical exam in the post because haven't found any difficulty in it
if the license from your country is in English, or you have a certified translation, or international driving permit it should be possible to skip all the testing and get a thai license