The skills test is a 4 hours test. 2 hours lecture and 2 hours pratical. The test is all about flow. U will be given a computer, and in that computer a software will be attached to it. U will use ur mouse to control flow. The tank must not be overflow, if it overflow u are out of the test. U will be told on what 2 do, 4 about 2 hours, so don"t worry. I will u success.