20EI251 - Sensor and Instrumentation

Student Name

Roll number

Class

• II ECE A
• II ECE B
• II ECE C

Faculty Incharge

• Mrs. V. Anupriya, AP (Sr.Gr)/ ECE
• Mr. M. Selvaganesh, AP/ECE
• Mrs. B. Jasmine Priyadharshini, AP/ ECE

1.Which of the following is NOT a method of measurement?

• A) Direct measurement
• B) Indirect measurement
• C) Analytical measurement
• D) Predictive measurement

2. Which instrument is primarily used for mechanical measurements?

• A) Multimeter
• B) Caliper
• C) Oscilloscope
• D) Thermocouple

3. Infer the reason for using signal conditioning element in measurement system.

• A) To detect the stimulus
• B) Removing Noise and make the signal suitable for next stage
• C) To convert stimulus into electrical signal
• D) All the Above

4. Determine the static error for the measurement of a meter reads 37.43V and true value of voltage is 37.65V.

• A) 0.22
• B) 0.022
• C) -0.22
• D) -0.022

5.________________ is an example of a transducer, which converts an electrical signal into a variable magnetic field and, subsequently, into acoustic waves.

• A) Refrigerator
• B) Air conditioner
• C) Motor
• D) Loudspeaker

6. Which statistical analysis method is commonly used to evaluate errors in measurements?

• A) Regression analysis
• B) Standard deviation
• C) Correlation analysis
• D) ANOVA