Q1. State at least four significant features of the measuring instruments.
Q2. Distinguish between the accuracy and precision.
Q3. Define the term closed loop system. Describe its applications.
Q4. State the working principle of potentiometer with any one application.
Q5. Describe the classifications of errors. Illustrate how it influences the performance of instruments?
Q6. Sketch the diagram of hydraulic proportional controller and describe its working.
Q7. Categorize the different types of errors. describe how they can be rectified for accuracy?
Q8. Describe with neat sketch working of contact less electrical tachometer.