Answer the following questions in detail.
Question 1) Write a short note on low cost automation.
Question 2) What are programmable logic controllers? Describe the applications for which these are used. Describe important advantages and disadvantages.
Question 3) Describe the various types of sensors used in robotics.
Question 4) Describe sequential control of cylinders.
Question 5) What are solid state switches? Write down its applications
Question 6) With the help of neat sketches, explain the working of (a) vane pump (b) check valve
Question 7) Describe the different configurations of Robots with and well labelled sketch and give their respective work volumes.
Question 8) Write brief note on the following:
a) Stepper motor.
b) Welding operation