CSLB Solar (C-46) License: Practice Examination

What this exam covers

Practice questions for the California CSLB Solar (C-46) license exam, delivered online and graded instantly. Per the state's classification, a C-46 contractor installs, modifies, and repairs solar energy systems including photovoltaic panels, inverters, racking systems, and solar thermal equipment. Works on any device, including iPad. See the official CSLB C46 classification.

3 exams · over 250 questions

Sample questions

1. This type of tank contains a flexible diaphragm with an air charge on one side and heat transfer fluid on the other.
   ✓ A. diaphragm · B. nondiaphragm · C. expanding expansion tank · D. closed nondiaphragm
2. Isolation valves should be placed at the following locations:
   A. one on either side of an external heat exchanger for servicing · B. one on each side of the screen ahead of a pressure regulator · C. one on each side of the circulator pump and strainer · ✓ D. all of the above
3. To determine the number of collectors needed, you should:
   A. divide total array output by collector output · ✓ B. divide collector output by total array output · C. total output x total array · D. none of the above
4. The total array output is 150,000 and the collector output is 22,3000. Determine the amount of collectors needed.
   A. 4 · ✓ B. 7 · C. 10 · D. 15
5. Conditions that will cause a pipe to burst are:
   A. magnitude of freezing temperatures · B. duration of freezing temperatures · C. size and type of freezing · ✓ D. all of the above