Answer the following problems in detail.

problem 1) Distinguish between fixed and programmable automation.

problem 2) describe the different kinds of contaminants in a hydraulic system.

problem 3) Sketch line diagram of a jointed arm robotic manipulator and show the basic motions associated with it.

problem 4) describe the different spool center configurations of a 4/3 DCV.

problem 5) describe a meter in hydraulic circuit.

problem 6) Sketch symbol for a FRL unit in a pneumatic system and describe its importance.

problem 7) Describe the working of a rail type orientation device with complete description.

problem 8) Distinguish between operation of a unloading valve and pressure relief valve.

problem 9) Sketch and describe the different types of joints used in robotic manipulators.

problem 10) Describe point to point control of robotic systems with its applications.