Manufacturing And Production Technology The cutting speed for drilling copper with high speed steel drills varies from 18 to 30 m/min 60 to 90 m/min 10 to 20 m/min 24 to 45 m/min 18 to 30 m/min 60 to 90 m/min 10 to 20 m/min 24 to 45 m/min ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology When the end of a tap is tapered for about three or four threads, it is known as a Second tap None of these Bottoming tap Taper tap Second tap None of these Bottoming tap Taper tap ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology The usual value of the helix angle of a drill is 30° 45° 20° 60° 30° 45° 20° 60° ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology In metal machining, the zone where the heat is generated due to friction between the moving chip and the tool face, is called Shear zone Friction zone None of these Work-tool contact zone Shear zone Friction zone None of these Work-tool contact zone ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology The relation between tool life (T) and cutting speed (V) is VTn = Constant. In this relation, the value of n depends upon Tool material Type of chip produced Working conditions Work material Tool material Type of chip produced Working conditions Work material ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology Which type of motor is not used in axis or spindle drives of CNC machine tools? Stepper motor Induction motor DC servo motor Linear servo motor Stepper motor Induction motor DC servo motor Linear servo motor ANSWER DOWNLOAD EXAMIANS APP
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