Internal or external threads of different pitches can be produced by Pantograph milling machine Profiling machine Planetary milling machine Piano miller TRUE ANSWER : ? YOUR ANSWER : ?
In orthogonal turning of a low carbon steel bar of diameter 150 mm with uncoated carbide tool, the cutting velocity is 90 m/min. The feed is 0.24 mm/rev and the depth of cut is 2 mm. The chip thickness obtained is 0.48 mm. If the orthogonal rake angle is zero and the principle cutting edge angle is 90⁰, the shear angle in degree is 30.56 36.56 26.56 20.56 TRUE ANSWER : ? YOUR ANSWER : ?
Ceramic cutting tools are Brittle and have low bending strength All of these Made by cold pressing of aluminium oxide powder Available in the form of tips TRUE ANSWER : ? YOUR ANSWER : ?
A single point tool has Rake angle All of these Cutting angle Lip angle 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 Work-tool contact zone Shear zone Friction zone None of these TRUE ANSWER : ? YOUR ANSWER : ?
The method of centre less grinding used to produce taper is End feed grinding In-feed grinding Through feed grinding Any one of these TRUE ANSWER : ? YOUR ANSWER : ?
A single point thread cutting tool should ideally have Negative rake angle Point angle Positive rake angle Zero rake angle TRUE ANSWER : ? YOUR ANSWER : ?
The grinding operation is a Surface finishing operation Dressing operation Forming operation Shaping operation TRUE ANSWER : ? YOUR ANSWER : ?
The parameter which completely defines the chip formation in a metal cutting process is None of these Both (A) and (B) Shear angle Chip-tool contact length TRUE ANSWER : ? YOUR ANSWER : ?
The grinding of long, slender shafts or bars is usually done by Through feed grinding In-feed grinding Any one of these End-feed grinding TRUE ANSWER : ? YOUR ANSWER : ?