Which set of operating conditions would be most problematic in terms of the deterioration of the insulation resistance of the drive motor of an electric motor driven transverse tunnel bow thruster? |
A) Frequently used thrusters where the bow thruster machinery compartment is particularly warm. |
B) Frequently used thrusters where the bow thruster machinery compartment is particularly cold. |
C) Infrequently used thrusters where the bow thruster machinery compartment is particularly warm. |
D) Infrequently used thrusters where the bow thruster machinery compartment is particularly cold. |