NC contouring is an example of Absolute positioning Continuous path positioning Incremental positioning Point-to-point positioning TRUE ANSWER : ? YOUR ANSWER : ?
In machining metals, surface roughness is due to Cutting tool vibrations Fragment of built-up edge on the machined surface Feed marks or ridges left by the cutting tool All of these TRUE ANSWER : ? YOUR ANSWER : ?
The maximum production of small and slender parts is done by Sliding head stock automatic lathe Watch maker's lathe Multi-spindle automatic lathe Capstan lathe TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following arc welding processes does not use consumable electrodes? GTAW GMAW None of these Submerged Arc Welding TRUE ANSWER : ? YOUR ANSWER : ?
The tap used to cut threads in a blind hole is Any one of these Taper tap Bottoming tap Second tap TRUE ANSWER : ? YOUR ANSWER : ?
The rear teeth of a broach Remove minimum metal Perform burnishing operation Remove maximum metal Remove no metal TRUE ANSWER : ? YOUR ANSWER : ?
The process of changing the shape of grinding wheel as it becomes worn due to breaking away of the abrasive and bond, is called Clearing Truing Facing Dressing TRUE ANSWER : ? YOUR ANSWER : ?
The average cutting speed for turning mild steel with a high speed steel tool is 25 to 31 m/min 90 to 120 m/min 15 to 19 m/min 60 to 90 m/min TRUE ANSWER : ? YOUR ANSWER : ?
The average cutting speed for turning brass with a high speed steel tool is 15 to 19 m/min 60 to 90 m/min 90 to 120 m/min 25 to 31 m/min TRUE ANSWER : ? YOUR ANSWER : ?
In metal machining, the zone where the heat is generated due to friction between the moving chip and the tool face, is called Friction zone None of these Work-tool contact zone Shear zone TRUE ANSWER : ? YOUR ANSWER : ?