electric specimen

#1. Spare fuses are carried:

• Aat the operators’s discretion.
• Bfor generators only.
• Cby law with a stated minimum number required.
• Dby the first officer.

#2. When selecting a fuse for a circuit the governing factor is:

• Athe voltage of the circuit.
• Bthe fuse length and diameter.
• Cthe resistance of the circuit.
• Dthe power requirement of the circuit.

#3. Differential cut-outs close when a differential voltage exists between the:

• Agenerator bus and battery bus-bar.
• Bgenerator bus-bar and earth.
• Cbatteries.
• Dbattery bus-bar and earth.