As shown in the illustrated wiring diagram for an engine order telegraph system, what statement concerning the constant ringing and trouble alarm is true? Illustration EL-0113
A
The constant ringing and trouble alarm sounds when there is a power loss from the 115 VAC power supply to the system.
B
The constant ringing and trouble alarm sounds when the transmitter rotor and corresponding indicator rotor are in correspondence.
C
The constant ringing and trouble alarm sounds when the acknowledge handle and indicator arrow are not on the same order.
D
The constant ringing and trouble alarm sounds when there is a power loss from the battery or emergency switchboard as appropriate.
Question 1 / 2066636eed28f7522a1c51db2d
Question 1 of 2066636eed28f7522a1c51db2d
As shown in the illustrated wiring diagram for an engine order telegraph system, what statement concerning the constant ringing and trouble alarm is true? Illustration EL-0113
As shown in the illustrated wiring diagram for an engine order telegraph system, what statement concerning the constant ringing and trouble alarm is true? Illustration EL-0113