610 Revision 2024.
610 REVISION standard notation for switch contacts include which of the following? - ANSWER number of pulls, number of fixed contacts per pole the characteristic of a resistor that indicates the acceptable deviation of value from the indicated value is called which of the following? - ANSWER tolerance what are the acceptable limits of deviation of resistance for 4.7k resistor rated at 5%? - ANSWER 4.465k and 4.935k the bands from left to right on a resistor indicate the numbers 5,4 and 2. what its value? - ANSWER 5,400 ohms a resistor of what power rating including a safety factor would be needed to replace a resistor in a circuit operating with a 125v voltage drop and 1 amp of current? - ANSWER 250 w what distinguishes a potentiometer from a rheostat? - ANSWER a potentiometer has a third terminal what can add a extra layer of safety when using power tools? - ANSWER GFI's which of the following fuse ratings could cause a fuse to blow up if it is too low? - ANSWER voltage if a circuit that has a 5 amp fuse and a normally carries 2 amps was to short, causing the current to double, what would happen to the fuse? - ANSWER the fuse would hold the load circuit breakers and fuses are rated for which of the following? - ANSWER voltage, current and time delay what size fuse would be used in a circuit where the normal operating current is 5 amps? - ANSWER 10 amps a brake coil has a normal resistance of 50 ohms and operates at 125 volts. what is the current? - ANSWER 2.5 amps
Información del documento
- Subido en
- 16 de enero de 2024
- Número de páginas
- 2
- Escrito en
- 2023/2024
- Tipo
- Examen
- Contiene
- Preguntas y respuestas
