Measurements and Instrumentation MCQs
Measurements and Instrumentation MCQs
Answer these Measurements and Instrumentation MCQs and assess your grip on the subject of Measurements and Instrumentation.
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1: Vi = _______ tbsp
A. 2 tbsp
B. 2/3 tbs
C. 500 cc
D. 2 oz
2: What is the purpose of measurement in engineering and science?
A. To gather and analyze data
B. To evaluate the performance of systems or processes
C. To ensure accuracy and reliability of results
D. All of the above
3: What is the difference between precision and accuracy in measurements?
A. Precision refers to the closeness of measured values to each other, while accuracy refers to the closeness of measured values to the true value
B. Precision refers to the closeness of measured values to the true value, while accuracy refers to the consistency of repeated measurements
C. Precision and accuracy are the same concept in measurements
D. Precision and accuracy are measures of the reliability of measurement instruments
4: What is the concept of calibration in measurements?
A. The process of comparing measurements with known reference standards to ensure accuracy
B. The process of adjusting measurements to achieve greater precision
C. The process of estimating uncertainties in measurements
D. The process of converting analog signals into digital format
5: Which of the following is an example of a primary standard for measurement?
A. A reference thermometer calibrated against another thermometer
B. A laboratory balance calibrated against a known mass
C. A platinum resistance thermometer calibrated against the International Temperature Scale
D. A multimeter calibrated against a voltage standard
6: What is the purpose of signal conditioning in measurements?
A. To amplify weak signals and filter out noise
B. To convert analog signals into digital format
C. To adjust the range and resolution of measurement instruments
D. All of the above
7: What is the principle of operation of a strain gauge?
A. It measures changes in temperature
B. It measures changes in electrical conductivity
C. It measures changes in resistance due to mechanical strain
D. It measures changes in pressure
8: What is the concept of hysteresis in measurement instruments?
A. The difference in output readings for the same input value during increasing and decreasing measurements
B. The uncertainty associated with measurement instruments
C. The time delay between the application of an input and the corresponding output response
D. The ability of an instrument to provide stable readings over time
9: What is the principle of operation of a thermocouple?
A. It measures changes in temperature using the resistance of a wire
B. It measures changes in temperature using the voltage generated by the junction of two dissimilar metals
C. It measures changes in temperature based on the expansion of a liquid
D. It measures changes in temperature based on the reflection of light
10: What is the purpose of a data acquisition system in measurements?
A. To capture, process, and store measurement data
B. To display measurement results in real-time
C. To transmit measurement data to a remote location
D. All of the above
11: What is the concept of linearity in measurement instruments?
A. The ability of an instrument to provide accurate readings across its measurement range
B. The ability of an instrument to respond quickly to changes in input values
C. The ability of an instrument to provide consistent readings over time
D. The ability of an instrument to measure small changes in input values
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Measurements and Instrumentation MCQs
