T‑6B Systems 2 Practice Test

The generator in the T-6B aircraft provides 28 VDC to operate the electrical equipment onboard. This voltage is specifically designed to meet the power needs of avionic systems and other electrical components within the aircraft. The selection of 28 VDC is common in military and general aviation aircraft due to its effectiveness in providing sufficient power while being compatible with various electrical systems and devices used in modern aviation.

The 28 VDC output allows the aircraft to run multiple systems efficiently. Examples of these systems include navigation equipment, communications devices, and lighting. In contrast, other voltage specifications like 12 VDC and 24 VDC, while they may be used in smaller aircraft or different systems, are not the standard for the T-6B. Similarly, 120 VAC is typically reserved for specific ground power operations and not used for the aircraft's onboard electrical systems. Thus, the correct answer is rooted in the standard operational design of the T-6B's electrical infrastructure.