The Board shall, prior to issuing any license under this chapter, examine the applicant as to his or her technical knowledge and ability to install water conditioning appliances, and knowledge of water supply piping and fittings as related to the installation of water conditioning appliances. The examination shall not include the applicant's knowledge of plumbing, house drainage, ventilation or sanitation to the extent required to meet the standards applied in licensing master plumbers or journeymen plumbers.