The purpose of jigs and fixtures is to All of these Increase machining accuracy Decrease expenditure on quality control Facilitate interchangeability TRUE ANSWER : ? YOUR ANSWER : ?
For harder alloy steel, the point angle of the drill is kept More than 118° Equal to 118° Any one of these Less than 118° TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following statement is correct regarding grinding of high carbon steel? The grinding wheel has to be of open structure. All of these Grinding at high speed results in the reduction of chip thickness and cutting forces per grit. Aluminium oxide wheels are employed. TRUE ANSWER : ? YOUR ANSWER : ?
A taper tap has Its end tapered for about three or four threads Its end tapered for about eight or ten threads None of these Full threads for the whole of its length TRUE ANSWER : ? YOUR ANSWER : ?
The cutting speed for drilling aluminium, brass and bronze with carbon steel drills is ___ cutting speed for drilling mild steel with high speed steel drills. More than None of the listed here Equal to Less than TRUE ANSWER : ? YOUR ANSWER : ?
In metal cutting, use of low feeds and high cutting speeds is desired when the objective is Use of soft cutting tool Surface finish High metal removal rate Dry machining TRUE ANSWER : ? YOUR ANSWER : ?
For machining a cast iron workpiece by a high speed steel tool, the average cutting speed is 10 m/min 30 m/min 15 m/min 22 m/min TRUE ANSWER : ? YOUR ANSWER : ?
The broaching operation in which the work moves past the stationary tool is called Continuous broaching Surface broaching Pull broaching Push broaching TRUE ANSWER : ? YOUR ANSWER : ?
If the flame of the welding torch is directed towards the progress of welding, then what will you call the welding technique? Pulsed spray welding Electro slag welding Flux cored ARC welding Forehand welding TRUE ANSWER : ? YOUR ANSWER : ?