Final answer:
The statement is true; a MTCTS test should be performed multiple times to detect any intermittent issues that may not be apparent in a single test run.
Step-by-step explanation:
The claim that a MTCTS (Manufacturing Test, Calibration, and Troubleshooting System) must be performed twice with no faults or failures to eliminate the possibility of intermittent problems is generally true. In the context of quality assurance and engineering, especially for electronic and high-reliability systems, it's essential that any test designed to uncover faults is thorough.
Intermittent problems can be particularly tricky, as they might not appear during a single test run. To gain confidence in the stability of a system and to ensure that no sporadic issues exist, multiple test cycles are often performed. These repeated tests help in detecting any conditions that could cause a fault to manifest only under certain circumstances. Therefore, the final answer is true; running the test multiple times helps to verify the absence of intermittent problems, which are faults that occur sporadically and are not consistently reproducible.