Bell 412 - ATA 24 - Electrical

In principal, how many basic electrical systems can be found in B412 helicopters?

• 2
• 3
• 5

Electrical systems of B412 principally differ ________________________

• in operability of emergency load switch
• in basic voltage used (28 vs 26,5 VDC)
• in basic system design (DC vs. AC)

On early B412 models, the one-switch load shedding is ____________

• possible
• not possible
• - - -

B412 DC electrical system provides _______________

• 24 and 28 V only
• 5, 26,5 and 28 V
• 5, 24 and 28 V

B412 AC electrical system provides _______________

• 28 and 115 VAC
• 26,5 and 115 VAC
• 115 VAC only

The primary B412 electrical power is _______________

• 26,5 VAC
• 24 VDC
• 28 VDC

The secondary B412 electrical power is _____________

• 26,5 and 115 VAC
• 28 VDC
• 24 VAC

B412 AC electrical system runs at _________________

• 115 Hz
• 400 Hz
• 28 Hz

Basic aircraft battery is a ____________ battery

• Ni-Cad
• Lead-Acid
• Ni-Mh

Locate inverters

• 6

• 8

• 1