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Chapter 3 - Quiz

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1. What is the main purpose of measuring instruments?
To increase energy consumption To provide accurate data on various parameters To reduce production costs To aid in industrial decoration
2. Electrical measuring instruments are generally divided into which two categories?
Digital and manual Analog and mechanical Automatic and manual Analog and digital
3. What is the main purpose of an earth resistance tester?
To verify grounding systems To measure signal frequency To test capacitor capacity To check component temperature
4. What is the primary use of a wattmeter?
To measure frequency To measure active power To test diodes To measure dimensions
5. What is the function of a spirit level?
To measure voltage To check for level or plumb To test resistance To measure frequency
6. Which mechanical measuring tool is used to measure depth?
Tape measure Spirit level Caliper Wattmeter
7. When should a measuring instrument be calibrated?
Once a year After each use According to the manufacturer's recommendations Only when the instrument is broken
8. In which field is an oscilloscope primarily used?
Construction Medicine Photography Electrical signal analysis
9. What type of current can be measured with a clamp meter?
Only alternating current Only direct current Both alternating and direct current No current
10. Why is it important to store a measuring instrument in a dry and stable place?
To prevent dust accumulation To avoid damage from shocks and humidity To make it easier to clean To extend its lifespan by an additional month