MSSC CPT MAINTENANCE AWARENESS 4.0 - #18 WITH VERIFIED SOLUTIONS

What is the preferred unit of measure for power? Watt Which of the following is a formula for calculating power? P=IxE Bad equipment grounding can cause which problem? Shock Hazard If AC power cycles back and forth 50 times per second, what is its frequency? 50Hz Which term is defined by the total operating current of a circuit? Full Load Amperage If a motor has an excessive load, what event is most likely to occur? Blow a fuse or trip an overload Electricians use _________ to protect electrical wiring to motors and other loads from being damaged. Rigid of flexible conduit Where is single phase power most commonly used? Household Devices Which of the following is NOT a type of circuit protection devices? Power supply Which type of circuit breaker trips immediately when needed under all circumstances? None of the above A tool with a three-prong plug should be used __________. Only if all three prongs are present