While current is shut down in the welding circuit, what kind of voltage exists between the output terminals of the welding machine? GTAW Kerf Gouging Open air cut voltage TRUE ANSWER : ? YOUR ANSWER : ?
The process of removing metal by a cutter which is rotated against the direction of travel of workpiece, is called End milling Up milling Face milling Down milling TRUE ANSWER : ? YOUR ANSWER : ?
High speed steel cutting tools operate at cutting speeds _________ than carbon steel tools. 5 to 8 times higher 2 to 3 times higher 2 to 3 times lower 8 to 20 times higher TRUE ANSWER : ? YOUR ANSWER : ?
In an interchangeable assembly, shafts of size 25.000 -0.0100⁺⁰∙⁰⁴⁰ mm mate with holes of size 25.000 -0.010⁺⁰∙⁰²⁰ mm. The maximum possible clearance in the assembly will be 60 microns 20 microns 30 microns 10 microns TRUE ANSWER : ? YOUR ANSWER : ?
In hot machining, the work is heated by Induction heating Simple heating Any one of these Flame heating TRUE ANSWER : ? YOUR ANSWER : ?
The method of centre less grinding used to produce taper is End feed grinding Any one of these In-feed grinding Through feed grinding TRUE ANSWER : ? YOUR ANSWER : ?
The lip angle is the angle Between the tool face and the ground end surface of flank Between the face of the tool and a line tangent to the machined surface at the cutting point None of the listed here Made by the face of the tool and the plane parallel to the base of the cutting tool TRUE ANSWER : ? YOUR ANSWER : ?
Cast iron during machining produces Discontinuous chips None of these Continuous chips with built-up edge Continuous chips TRUE ANSWER : ? YOUR ANSWER : ?
In a shaper, the length of stroke is increased by Increasing the length of the arm Decreasing the length of the slot in the slotted lever Decreasing the centre distance of bull gear and crank pin Increasing the centre distance of bull gear and crank pin TRUE ANSWER : ? YOUR ANSWER : ?
In which of the following machine, the work rotates and the tool is stationary? Jig boring machine Vertical boring machine Horizontal boring machine Precision boring machine TRUE ANSWER : ? YOUR ANSWER : ?