Fixtures are used None of these To check the accuracy of workpiece For holding the work in milling, grinding, planing or turning operations For holding and guiding the tool in drilling, reaming or tapping operations TRUE ANSWER : ? YOUR ANSWER : ?
What is the name of the device used in arc welding circuits for the purpose of modifying the rate of current change when the weld road is varied rapidly? Inductor Cone Reactor Kerf TRUE ANSWER : ? YOUR ANSWER : ?
High speed steel drills can be operated at about _________ the speed of high carbon steel drills. Double Four times One-fourth One-half TRUE ANSWER : ? YOUR ANSWER : ?
What is the type of welding defect is caused due to stresses on heating and cooling called? Slag Entrapment (Inclusions) Incomplete fusion Shrinkage void Incomplete penetration TRUE ANSWER : ? YOUR ANSWER : ?
The point angle of a drill, for drilling stainless steel, is 90° 118° 135° 150° TRUE ANSWER : ? YOUR ANSWER : ?
Ceramic cutting tools are Available in the form of tips Made by cold pressing of aluminium oxide powder All of these Brittle and have low bending strength TRUE ANSWER : ? YOUR ANSWER : ?
The hole to be drilled for tapping is _________ the outside diameter of the thread on the tap. Greater than Smaller than None of the listed here Equal to TRUE ANSWER : ? YOUR ANSWER : ?
In a plain milling machine, the table can be moved All of these Longitudinally Crosswise Vertically TRUE ANSWER : ? YOUR ANSWER : ?
The relation between tool life (T) and cutting speed (V) is VTn = Constant. In this relation, the value of n depends upon Type of chip produced Working conditions Tool material Work material TRUE ANSWER : ? YOUR ANSWER : ?
Hardness of steel greatly improves with Normalizing Tempering Cyaniding Annealing TRUE ANSWER : ? YOUR ANSWER : ?