I've searched far and wide for good resources for engineering studies and the only good(and it still could be better) resource I could find is iteachstem.com.au as listed above. I'm in the boat now 5 weeks out where(probably my fault because I hate the subject) I can answer the non mathematical...
If anyone is looking for a good website for Engineering Studies(and it's free!), this one is great. I use it all the time to strengthen the knowledge I learn in class:
iteachstem.com.au/engineering-studies-stage-6/