Hi there,
The only modules with essay questions are Modules 7, 9 and 10. Module 7 Maintenance Practices has 2 questions and modules 9 & 10 both have 1 question. I believe Air Service Training offer exams for most modules on the first friday of every month aswell as modular training although it looks like there isnt any further modular training until 2008.
You should have a look at
www.airservicetraining.co.uk 