During an air-conditioning gystem performance test, what should the engine rpu be raised too? a. 1.2002,000(pm) 2,000-2,500rpm c. 2,3002,800tpm d. 500.750mm

The correct answer is b. $2,000-2,500rpm$.<br /><br />During an air-conditioning system performance test, the engine RPM should be raised to a range of $2,000-2,500rpm$. This range is typically used to ensure that the compressor operates efficiently and effectively during the test. It is important to note that the specific RPM range may vary depending on the manufacturer's recommendations and the type of air-conditioning system being tested.