In centreless grinding, the surface speed of regulating wheel is 60 to 90 m/min 90 to 120 m/min 5 to 15 m/min 15 to 60 m/min TRUE ANSWER : ? YOUR ANSWER : ?
In order to achieve a specific surface finish in single point turning, the most important factor to be controlled is Tool rake angle Cutting speed Depth of cut Feed TRUE ANSWER : ? YOUR ANSWER : ?
The advantage of a broaching operation is that Roughing and finishing cuts are completed in one pass of the tool All of the listed here High accuracy and high class of surface finish is possible Rate of production is very high TRUE ANSWER : ? YOUR ANSWER : ?
A 15 mm drilling machine means that it can drill a hole Of maximum diameter 15 mm In 15 mm thick plates None of these TRUE ANSWER : ? YOUR ANSWER : ?
The obtuse angle, included between the chisel edge and the lip as viewed from the end of a drill, is called Chisel edge angle Helix or rake angle Point angle Lip clearance angle TRUE ANSWER : ? YOUR ANSWER : ?
The operation of making a cone-shaped enlargement of the end of a hole is known as Counter-boring Spot facing Trepanning Counter-sinking TRUE ANSWER : ? YOUR ANSWER : ?
The process of removing metal by a cutter which is rotated in the same direction of travel of workpiece, is called End milling Down milling Up milling Face milling TRUE ANSWER : ? YOUR ANSWER : ?
Hot rolling of mild steel is carried out Between recrystallization temperature At recrystallization temperature Above recrystallization temperature Between 100⁰C to 150⁰C TRUE ANSWER : ? YOUR ANSWER : ?
In a single point tool, the angle between the surface of the flank immediately below the point and a line drawn from the point perpendicular to the base, is known as Side relief angle Back rake angle Side rake angle End relief angle TRUE ANSWER : ? YOUR ANSWER : ?
The tool made of cemented carbide wear out faster at Medium speeds Fast speeds Very fast speeds Slow speeds TRUE ANSWER : ? YOUR ANSWER : ?