Nccer electrical Level 2 Module 2 fully solved 2023/2024
Nccer electrical Level 2 Module 2Any exposed live parts must be guarded if they are operating at 50V or more between terminals Which of the following are most likely to use dynamic braking? Forklifts In a DC series motor, how much of its full-load torque is developed at starting? 500% For a given number of poles, which of the following determines the speed of an AC motor? Frequency Which of the following motors is used where the required starting torque is high and speed control is desirable compound the synchronous speed at which a four-pole, 60Hz induction motor operates is 1,800 rpm slip is best described as . . . 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? induction motors horsepower is used to rate the output capacity of a motor How many motor designs does NEMA designate 5 In a split-phase motor, how much greater is the starting current when compared to the full-load current? 6 to 8 times The capacitor-start motor is the single-phase motor type that has the highest starting torque The wound rotor induction motor is used for speed control and to limit starting current which of the following is true of shaded-pole motor? they have a low starting torque, a low efficiency, and a high noise level For a constant-torque load, the horsepower increases and decreases in direct proportion to the speed the primary method of varying the speed on a dc shunt motor is to adjust the voltage and current on the field winding or the armature According to NEMA definition, which of the following is a type of open motor eather-protected which of the following is located on a motor's nameplate FLA rating The value indicated in rpm on the nameplates is the rated full-load speed A wound rotor motor has been recently put back into service but is now rotating in the wrong direction. after examining the motor, you find that lead L1 is connected to T2, L2, T3 to T1. to correct the rotating, you should: connect L2 to T1, L2 to T3, and L3 to T2 which of the following motors provide constant speed from no-load condition to full load conditions?
Escuela, estudio y materia
- Institución
- NCCER
- Grado
- NCCER
Información del documento
- Subido en
- 8 de noviembre de 2023
- Número de páginas
- 6
- Escrito en
- 2023/2024
- Tipo
- Examen
- Contiene
- Preguntas y respuestas
Temas
-
nccer electrical level 2 module 2
Documento también disponible en un lote