1) Do you have enough time to chug down a drink and go to the restroom during the ten minute break? I know that you have to sign in and sign out with someone working there... I am worried that they will take a long time to check me out/in and that I won't be able to start the test on time.
2) Is the locker a combination locker or a key locker?
3) If you finish a section early, can you go on break before exiting out of the section?
OK, I had a lot of questions on this and NOBODY would answer them, so let's see if we can get yours answered, OK? Qualifier, any and all answers are reliable only for my Prometric center, you should double check with your own.
1) Yes, you have time, and no, you won't have an issue if you're off by a few minutes.
2) Key locker - that way they can get the key back and reuse it. It'd be a useless locker if they handed out combos all day and never changed them, right?
3) Here's the tricky bit: breaks can only be 10min long, max. However, there is no limit to how many you can have. I asked in a lot of detail about this because I noticed that during my FLs I was finishing each section 15-20min early. I was hoping I could just stick that onto my 10 and have a nice, leisurely lunch, you know?
The deal is this: you can technically, once you answer all the questions, leave the section running and go on a 10min break. It'll automatically end section and go on break for you if, say, you only have 8min left. However, you would then have to come back to the proctor, sign in, and sign back out to have another 10min break section. The people at my test site were willing to do this, but honestly it just felt pointless so I just took a nap at my desk and then took my usual 10min, and then for the second one I just didn't bother - ended early, took the standard 10.
They won't rush you unless you're ridiculous. Plus, remember, if you're chugging water/eating, you're probably doing it from your locker right next to them. Keep your bathroom trip short and you'll be fine.