IYRS Electrical ABYC Exam 2024 Questions and Answers 100% Accurate.

The minimum amp circuit breaker that should be used to protect a 120V water heater circuit with a 1600-watt element would be rated at ________ amps - ANSWER-15 When testing for excessive EMF emission near a conductor or appliance, the tool of choice is a - ANSWER-Gauss Meter The primary problem with using a series circuit to supply multiple loads is that - ANSWER-voltage drop across each load will be excessive the most common electrical circuit problem in marine applications is - ANSWER-unwanted open the primary by-product of excessive electrical resistance is - ANSWER-heat the tool of choice today for tracing shorted and open circuits is the: - ANSWER-TDR What material is recommended for clamping conductors over engines and moving machinery according to the ABYC - ANSWER-Metal according to ABYC acceptable minimum clearance for routing wire near a dry exhaust section is - ANSWER-9 inches (225 mm) The maximum number of terminals allowed to be attached to any one terminal stud based on ABYC is - ANSWER-4 How much current should flow through the DC grounding conductor in a 25-amp DC motor circuit - ANSWER-0 amps conductors of #10 AWG and larger shall be permitted to be connected in parallel ______ - ANSWER-Where the ampacity of each individual conductor is sufficient to carry the entire load current shared by the parallel conductors A technician is installing the cable run from the batteries to the main DC panelboard on a boat aspart of a refit. The boat has a 12-volt system, and the distance from the panel to the batteries is 15 ft (approximately 3 m).The maximum current draw from the panel is calculated at 90 amps.What gauge cable should be used at a minimum to maintain Standards compliance? - ANSWER-0 AWG 8. DC grounded conductors on new boats that are also equipped with AC systems should use _________ insulation. - ANSWER-yellow the