CEM Practice Test 8

10 free CEM practice questions in the real exam format, covering the official content areas, with an explanation for every answer.

CEM Practice Test 8Tutor mode

Question 1 of 10

Distributed Generation & Renewable Energy Systems

A warehouse roof will host a 250 kW (DC, STC rating) PV array. The site averages 4.8 peak sun-hours per day, about 12 daylight hours per day, and the system derate factor (inverter, wiring, soiling, temperature) is 0.80. Estimate the annual AC output.