ritu

Dear all electricians, I am from india.I have applied my visa 176 application and i got case officer yesterday 8th of april.I have doubt abt the employment questions from co, What type of questions are asked from the co?Becaz all of them know we can give some details about general questions but technical questions without examining the problem how can tell the answer and my friends also said some cases failed due to not given the proper answer.so please help me What type of questions will ask from co? Or please help me to find any websites having technical questions and answers.Kindly i expect your reply Please,please. Ritu