Electricity for HVACR Questions and Answers | New One | Grade A+
How much current is drawn by a 120V circuit containing a 1,500W load? Ans: 12.5A How much power is consumed by a 120V parallel circuit that contains a 100 load and an 80 load and draws 2.7A? Ans: 125W What characteristic do devices that use DC instead of AC power often have in common? Ans: They are battery-powered and mobile One milliamperes is equal to _____. Ans: 1/1,00 of an amp Current is measured in ______. Ans: Amperes If a load is supplied by 120V and draws 5A of current, how much power does it consume? Ans: 600W The worst effect a current of 159mA is likely to have on the human body is _____. Ans: Painful shock and loss of muscular control Central air conditioning systems in homes generally require a power source of ____. Ans: 240 volts The purpose of a legend on a circuit diagram is to ____. Ans: Identify the abbreviated diagram components A device that acts as an electromagnet to open or close a valve is a ______. Ans: Solenoid coil Which of the following statements about voltage testing is true? Ans: A multimeter is better than a voltage tester for troubleshooting A DPDT switch can control _____. Ans: 4 circuit
Información del documento
- Subido en
- 17 de junio de 2024
- Número de páginas
- 12
- Escrito en
- 2023/2024
- Tipo
- Examen
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- Preguntas y respuestas
