Across
- 2. A test instrument that measures resistance.
- 5. The total opposition that any combination of resistance (R), inductive reactance (XL) and capacitive reactance (XC) offers to the flow of alternating current.
- 7. The process of placing a danger tag on the source of electrical power, which indicates that the equipment may not be operated until the danger tag is removed.
- 9. A portable test instrument that is capable of measuring two or more electrical properties.
- 13. The force per unit of area.
- 15. A test instrument that measures the amount of current in an electrical circuit.
- 16. A device that produces electricity when two different metals that are joined together are heated.
- 18. A test instrument that provides a visual display of voltages.
- 19. The number of electrons passing a given point in 1 sec.
- 22. One half of a cycle.
- 25. The use of gauges and other measurement mechanisms to determine the value of electrical, environmental, physical, and operating conditions.
- 27. The process of removing the source of electrical power and installing a lock that prevents the power from being turned ON.
- 29. A reference point or line that is visually displayed on the face of the oscilloscope screen.
- 31. Any electrical device that converts electrical energy into some other form of energy, such as light, heat, sound, or mechanical.
- 32. The number of cycles per second of an AC sine wave.
- 33. An electronic device that allows current to flow in one direction only.
- 34. The speed at which air, liquids, or solids travel through a system.
Down
- 1. A regulation or minimum requirement.
- 3. A test instrument that measures the speed of a moving object.
- 4. A ratio of the amplitude of the output signal to the amplitude of the input signal.
- 6. A unit of illumination equal to 1 lm per sq ft.
- 8. One of many connection points along a transformer coil that are commonly provided at 2.5% increments.
- 10. A logical, step-by-step process used to find a problem in an electrical power system or process as quickly and easily as possible.
- 11. A frequency that is an integer (whole number) multiple (second, third, fourth, fifth, etc.) of the fundamental frequency.
- 12. A group of electronic components that are connected together on a printed circuit (PC) board and that perform a set task.
- 14. A high-resistance ohmmeter used to measure insulation deterioration on various wires by measuring high resistance values during high voltage test conditions.
- 17. A three-element device made of semiconductor material.
- 20. A test instrument that measures voltage.
- 21. The width of a range of frequencies that have been specified as performance limits within which a meter can be used.
- 23. The international unit of frequency; equal to one cycle per second.
- 24. The amount of heat required to raise 1 g of water 1°C.
- 26. The ratio of lumens generated by a lamp to the watts consumed by the lamp.
- 28. One complete wave of alternating positive and alternating negative voltage or current.
- 30. A unit used to measure the total amount of light produced by a light source.