Manufacturing And Production Technology If the helix angle of the drill is made ________ 30°, then the torque required to drive the drill at a given feed will be more. Equal to None of these More than Less than Equal to None of these More than Less than 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 None of these Work-tool contact zone Friction zone Shear zone None of these Work-tool contact zone Friction zone Shear zone ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology Two 1 mm thick steel sheets are to be spot welded at a current of 5000 A. Assuming effective resistance to be 200 μm and current flow time of 0.2 second, heat generated during the process will be 1000 Joule 1 Joule 0.2 Joule 5 Joule 1000 Joule 1 Joule 0.2 Joule 5 Joule ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology The main purpose of a boring operation, as compared to drilling, is to Correct the hole Finish the drilled hole Enlarge the existing hole Drill a hole Correct the hole Finish the drilled hole Enlarge the existing hole Drill a hole ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology A CNC vertical milling machine has to cut a straight slot of 10 mm width and 2 mm depth by a cutter of 10 mm diameter between points (0,0) and (100,100) on the XY plane (dimensions in mm). The feed rate used for milling is 50 mm/min, milling time for the slot (in seconds) is 240 170 120 180 240 170 120 180 ANSWER DOWNLOAD EXAMIANS APP
Manufacturing And Production Technology The specific cutting energy used for establishing the machinability of the metal depends upon its Work hardening characteristics Coefficient of friction All of these Micro-structure Work hardening characteristics Coefficient of friction All of these Micro-structure ANSWER DOWNLOAD EXAMIANS APP
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