Electrical Motor Controls with complete solutions 2023
Electrical Motor Controls with complete solutions 2023How does a UPS (uninterruptable power supply) work? - correct answer AC rectified to DC batteries then inverted to AC Batteries energy capacity is measured in - correct answer Amp hours How to you top off water in a battery cell? - correct answer Distilled water when the level is below the plates Batteries have two rated values: - correct answer Voltage and Amp hours A voltage monitor relay is used for - correct answer Starting back up generator Fuel for diesel generators is often stored in a: - correct answer Day tank __________converts between electrical and mechanical power - correct answer Motor, Generator, Alternator, (all of the above) The field winding on a generator - correct answer Produces the magnetic field The stationary member of a generator is called a - correct answer Stator A motor - correct answer Converts electrical energy into mechanical energy. An armature is - correct answer The movable portion of a contactor In a process control, delay is: - correct answer The time it takes for a change in the process to be felt. What is the difference between a contactor and a starter? - correct answer A starter has overload protection . How is a holding circuit wired? - correct answer Stop push buttons in series, Start pushbuttons in parallel, Using a holding contact. (all of the above) What protects circuits from short circuits? - correct answer Breakers Soft starts work by: - correct answer Lowering voltage during start up.
Información del documento
- Subido en
- 15 de abril de 2023
- Número de páginas
- 7
- Escrito en
- 2022/2023
- Tipo
- Examen
- Contiene
- Preguntas y respuestas