moideen
22-12-2013, 08:21 AM
i just googled, found a site,on line practice test, it may help you.
http://www.wiziq.com/tests/refrigeration-and-air-conditioning (http://www.wiziq.com/tests/refrigeration-and-air-conditioning)
http://www.wiziq.com/tests/refrigeration-and-air-conditioning (http://www.wiziq.com/tests/refrigeration-and-air-conditioning)