Q12. Which type of path control is to be implemented for producing smooth, continuous movement? A)Continuous path B)Single motion C)Servo control type D)Point-to-point path Q13. Good repeatability of a robotic system is achieved with: A)Smaller circle of point variations B)Short distance between actual and variation centre points C)Multiple calibrations of the system D)Always perform to the accurate position Q14. The advantages of using SCARA robot is: A)Flexible in insertion of wide variety of part sizes B)Ease of configuring manual assembly parts C)Inserting of parts can be of various angle of approach D)Give some compliance of parts during insertion Q15. What is the advantage of belt-drive manipulator over a gear-drive type? A)Higher operating load B)Higher drive capacity C)Better response D)Heavier chassis Q16. In order to achieve 'fail safe' mode to prevent heavy payload from 'over-run' the driver, the drive mechanism shall deploy A)Rack & pinion design B)Helical gear train C)Worm & wheel gear design D)Timing belt drive Q17. The main disadvantage of using spherical coordinated robot is: A)Lower in repeatability when arm extended B)Lower structural stability C)Shallow horizontal depth accessibility D)Required very complex control system Q18. Which type of path control is to be implemented for producing smooth, continuous movement? A)Continuous path B)Single motion C)Servo control type D)Point-to-point path Q19. One of the disadvantages of using pneumatic power supply in robotic system is: A)Complicated control B)Noisy operation C)immobility D)High maintenance cost Q20. The main disadvantage of using hydraulic power robot is: A)Leaking of hydraulic oil B)Too many servicing parts C)Heavy machinery D)immobility Q21. Through the use of helical spur gears instead of straight spur gears, the helical gear train has the advantage of: A)Lower inertia with no backlash B)Gradual pressure acting on the gear tool giving smooth drive C)Simple design with wide backlash D)Higher inertia with noisy operation Q22. One of the advantages of using timing belt drive over chain and sprocket drive is: A)Lower inertia with less noisy operation B)Deploy in extreme operating conditions C)Higher inertia with faster operation D)Higher load capacity Q23. Harmonic drive unit can: A)Be subjected to very heavy load capacity B)Provide higher output speed C)Produce higher torque output D)Operate at higher temperature