Question 6Electricity/Electronics - Assistant Engineer70% to pass
As part of a routine maintenance program for deck machinery motor controllers, what should be done?
AI Explanation
The correct answer is D) inspect electrical wiring for evidence of corrosion or discoloration at connections.
The reasoning behind this is that as part of a routine maintenance program for deck machinery motor controllers, it is important to visually inspect the electrical wiring and connections for any signs of corrosion or discoloration. This helps identify and address potential issues with the electrical system before they lead to more serious problems. The other options, such as checking drum switch contact pressure or removing and draining covers, are not directly related to the key maintenance task of inspecting the wiring and connections for corrosion.
Related Questions
#4 What type of AC motor would use a rheostat in the rotor circuit to vary the speed of the motor? #5 Which of the following physical characteristics does a three-phase wound-rotor induction motor possess that a squirrel-cage induction motor does not? #7 If a spring-set electric solenoid-released brake on a winch fails to hold a load properly when the solenoid is de-energized, what must be done? #8 The AC winch hoist controller shown in the illustration has a burned out hoist contactor coil that must be replaced. Before replacing the coil, the cause for the burnout must be determined. Which of the following statements represents the possible cause? Illustrations EL-0102 #9 If deck machinery is expected to be idle for an extended period of time, what should be done?