NCCER Electrical Module 2 Level 2 exam with 100% correct answers

NCCER Electrical Module 2 Level 2 exam with 100% correct answers Any exposed live parts must be guarded if they are operating at -Correct Answer-50V or more between terminals Which of the following are most likely to use dynamic braking? -Correct Answer-Forklifts In a DC series motor, how much of its full-load torque is developed at starting? -Correct Answer-500% For a given number of poles, which of the following determines the speed of an AC motor? -Correct Answer-Frequency Which of the following motors is used where the required starting torque is high and speed control is desirable -Correct Answer-compound the synchronous speed at which a four-pole, 60Hz induction motor operates is -Correct Answer-1,800 rpm slip is best described as . . . -Correct Answer-The difference between the synchronous speed and the speed of the rotor in an induction motor Which of the following motor operate on the principle of a rotating magnetic field? -Correct Answer-induction motors horsepower is used to rate the -Correct Answer-output capacity of a motor How many motor designs does NEMA designate -Correct Answer-5 In a split-phase motor, how much greater is the starting current when compared to the full-load current? -Correct Answer-6 to 8 times The capacitor-start motor is the single-phase motor type that has the -Correct Answer-highest starting torque The wound rotor induction motor is used -Correct Answer-for speed control and to limit starting current which of the following is true of shaded-pole motor? -Correct Answer-they have a low starting torque, a low efficiency, and a high noise level