The ESCO Institute Section 608 EPA Preparatory Manual covers nearly all of the questions contained on the EPA exam. The book is clear, concise and has been used by hundreds of thousands of students and technicians alike to successfully prepare for the EPA Universal technician exam.LEAK DETECTION In order to determine the general area of a leak use an electronic or ultrasonic leak detector. ... being evacuated, ambient temperaature, amount of moisture in the system, the size of the vacuum pump and suction line.
|Title||:||EPA Certification Exam Preparatory Manual for Air Conditioning & Refrigeration Technicians|
|Publisher||:||ESCO Institute - 2006-01-01|