1.Explain briefly about the following control system strategic and techniques in CS. (i) Numerical control (ii) Sequential Control (iii) DCS [3 Marks] 2. Write the classification of control system (CS). [2 Marks) 3. A Hydrometer is specified as having a range of 0-650 Kg/m' and an accuracy of -0.5 Kg/m'. If true value is 300 Kg/m and then what will be the minimum and maximum value of the true value in the meter. [1 Marks) 4. Define Encoder. Write the classification of encoder. What is the use of absolute encoder? [2 marks] 5. Write short notes on digital display system. [2 marks]