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Question 39 which of the following is the command coed to move the tool in the counter clockwise direction? A G17 B. G02 oRGEns D. GO1 Question 40 Which of the following is the program format for circular interpolation in a clockwise direction? A. G90 GO1X_Y_R_F_; B.G17 G02 X_Y_R_F_; C.G17TGO3 X_Y_R_F_; D.G90GO1 X_Y_Z_F_; Question 41 Which of the following operations will produce a hole with 135 degree chamfers? A. Tapping B. Blind hole drilling C. spot drilling D. None Question 42 1 Mark When referring to CNC operations, an excessive surface cutting speed will result in: A. A longer time to machine the workpiece. B. Rapid tool wear C. A decreased use of coolant. D. Extended tool life. Question 43 Which of the following is the best example of an end of block character? A. GO0 B., C.% Question 44 What is a major disadvantage of the vertical spindle machining centers? A. They can handle heavy workpieces. B. Chips accumulate on top of the workpiece C. Some of the spindles have vertical motion. D. The crosslide can move transversally Question 45 With CNC repetitive cycle programming, what does the F stand for in the code G71P_Q_U_W_D__S_ F__; (rough turning and boring repetitive cycle) A. The feed rate of roughing pass. B. The ratio of cut from the far to near surface. C. lIttells the CPU how the X value must be adjusted. D. It is a block number immediately following the G71. Question 46 Which of the following CNC codes relates to \""spindle on counter clockwise at constant surface speed? A.N020 T0101 B. N 030 G50 X8.500 Z7.500 S3000 C. N040 M04 S500 G96 D. N200 MO05 Question 47 Which of the following CNC codes deals with a multiple repetitive, rough cutting cycle used for facing operations? A. G9%4 B.G76 C. G68 D.G72 Question 48 In Europe robotology is defined as: Robotic science B. The science of robots C. The science of robotology D. None Question 49 1 Mark With CNC linear interpolation programming what does the W refer to in GO1U__W__F__; (incremental feed motion)