A hole is of dimension φ = 9 ₊0⁺⁰∙⁰¹⁵ mm. The corresponding shaft is of dimension φ = 9 ₊0.001⁺⁰∙⁰¹⁰ mm. The resulting assembly has Interference fit Loose running fit Close running fit Transition fit TRUE ANSWER : ? YOUR ANSWER : ?
A diamond locating pin is used in jigs and fixtures because It helps in assembly with tolerance on centre distance Diamond is very hard and wear resistant It occupies very little space It has a long life TRUE ANSWER : ? YOUR ANSWER : ?
The in-feed grinding is used to Grind long, slender shafts or bars Produce tapers All of these Grind shoulders and formed surfaces TRUE ANSWER : ? YOUR ANSWER : ?
The size of a lathe is specified by the Swing diameter over the bed Swing diameter over the carriage All of these Length between centers TRUE ANSWER : ? YOUR ANSWER : ?
The operation of smoothing and squaring the surface around a hole is known as Trepanning Counter-boring Counter-sinking Spot facing TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following statement is correct for orthogonal cutting system? The cutting edge clears the width of the workpiece on either ends All of these The chip flows over the tool face and the direction of the chip flow velocity is normal to the cutting edge The cutting edge of the tool is perpendicular to the direction of tool travel TRUE ANSWER : ? YOUR ANSWER : ?
Down milling is also called Conventional milling Climb milling Face milling End milling TRUE ANSWER : ? YOUR ANSWER : ?
In oblique cutting of metals, the cutting edge of the tool is Perpendicular to the workpiece Perpendicular to the direction of tool travel Inclined at an angle less than 90° to the direction of tool travel Parallel to the direction of tool travel TRUE ANSWER : ? YOUR ANSWER : ?
A _________ grinding wheel is used to grind soft materials. Medium grained Fine grained Course grained None of these TRUE ANSWER : ? YOUR ANSWER : ?
What is the type of welding defect is caused due to stresses on heating and cooling called? Incomplete fusion Incomplete penetration Slag Entrapment (Inclusions) Shrinkage void TRUE ANSWER : ? YOUR ANSWER : ?