I can see that the gentlemen have given all what could be said about that, but i want to give some help for the ELECTRICAL ENGINEERS, these questions are really very helpful -tried many times by my friends who passed the exam and myself also from the first time-
http://www.4shared.com/office/SwGqr-3Bba/UPDA_SAMPLE_QUES_2.html
http://www.4shared.com/office/1tkxWKPdce/UPDA_SAMPLE_QUES.htm
i hope that works for you,
my best wishes.