Title MCQ ELECTRICAL AND ELECTRONIC MEASUREMENTS.pdf ✅

Way to Polytechnic ❖ Way to Polytechnic ELECTRICAL AND ELECTRONIC MEASUREMENTS Unit - I Fundamentals of Measurements 1. What is the significance of measurement? a. To confuse data b. To quantify observations c. To ignore standards d. To complicate analysis 2. Which of the following is a fundamental quantity? a. Speed b. Volume c. Mass d. Temperature 3. What are the fundamental units of the International System of Units (SI)? a. Inch, pound, second b. Meter, kilogram, second c. Foot, ounce, minute d. Centimeter, gram, millisecond 4. Null and deflection type instruments are classified based on: a. Power consumption b. Measurement range c. Calibration method d. Display type 5. What are absolute instruments in measurement? a. Instruments that give relative readings b. Instruments that measure absolute values c. Instruments that require calibration d. Instruments that show null deflection 6. Analog instruments represent information using: a. Digital signals b. Discrete steps c. Continuous signals d. Binary code 7. Dynamic characteristics of an instrument refer to its: a. Steadiness b. Response to changing conditions
Way to Polytechnic c. Calibration d. Null point accuracy 8. Which type of error is inherent in the instrument itself? a. Systematic error b. Random error c. Instrumental error d. Human error 9. Calibration is necessary to: a. Introduce errors b. Verify instrument accuracy c. Reduce measurement range d. Increase uncertainty 10. Indicating instruments are primarily designed for: a. Displaying readings b. Recording data c. Integrating signals d. Power consumption 11. What is the primary purpose of recording instruments? a. Real-time display b. Long-term data storage c. Instantaneous measurements d. Null deflection 12. Integrating instruments are used for: a. Measuring instantaneous values b. Recording data over time c. Displaying steady-state conditions d. Nullifying errors 13. What are the essential requirements of an indicating instrument? a. High power consumption b. Fast response time c. Steady-state accuracy d. Null deflection accuracy 14. The unit of measurement for electric current is: a. Ampere b. Volt c. Ohm d. Watt 2
Way to Polytechnic 15. The SI unit of temperature is: a. Kelvin b. Celsius c. Fahrenheit d. Rankine 16. Which type of instrument provides a continuous range of values? a. Analog b. Digital c. Null-type d. Deflection-type 17. What does the term "null point" refer to in instruments? a. Zero reading b. Maximum reading c. Average reading d. Fluctuating reading 18. The process of comparing an instrument's readings with a known standard is called: a. Verification b. Nullification c. Calibration d. Integration 19. Which type of error occurs consistently in the same direction? a. Random error b. Systematic error c. Instrumental error d. Calibration error 20. The unit of measurement for luminous intensity is: a. Candela b. Lux c. Watt d. Joule 3
Way to Polytechnic Answers: 1. b. To quantify observations 2. c. Mass 3. b. Meter, kilogram, second 4. c. Calibration method 5. b. Instruments that measure absolute values 6. c. Continuous signals 7. b. Response to changing conditions 8. c. Instrumental error 9. b. Verify instrument accuracy 10. a. Displaying readings 11. b. Long-term data storage 12. b. Recording data over time 13. c. Steady-state accuracy 14. a. Ampere 15. a. Kelvin 16. a. Analog 17. a. Zero reading 18. c. Calibration 19. b. Systematic error 20. a. Candela 4