The tap used to cut threads in a blind hole is Bottoming tap Taper tap Any one of these Second tap TRUE ANSWER : ? YOUR ANSWER : ?
In down milling, the thickness of chip is Uniform throughout the cut Minimum at the beginning of the cut and maximum at the end of the cut None of these Maximum at the beginning of the cut and minimum at the end of the cut TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following statement is correct about hot machining? It requires less power than machining metals at room temperature. All of these It is used for machining high strength and high temperature resistant materials. The rate of tool wear is lower. TRUE ANSWER : ? YOUR ANSWER : ?
Trepanning is an operation of Smoothing and squaring the surface around a hole Making a cone-shaped enlargement of the end of a hole Producing a hole by removing metal along the circumference of a hollow cutting tool Sizing and finishing a small diameter hole TRUE ANSWER : ? YOUR ANSWER : ?
The effect of setting a boring tool above center height leads to Increase in the effective rake angle and a decrease in the effective clearance angle Increase in both effective rake angle and effective clearance angle Decrease in the effective rake angle and an increase in the effective clearance angle Decrease in both effective rake angle and effective clearance angle TRUE ANSWER : ? YOUR ANSWER : ?
The process of changing the shape of grinding wheel as it becomes worn due to breaking away of the abrasive and bond, is called Truing Clearing Facing Dressing TRUE ANSWER : ? YOUR ANSWER : ?
The saw milling is an operation of Machining several surfaces of a workpiece simultaneously Producing grooves around the periphery of a cylindrical or conical workpiece Producing narrow slots or grooves on a workpiece Reproduction of an outline of a template on a workpiece TRUE ANSWER : ? YOUR ANSWER : ?
The cutting speed for drilling copper with high speed steel drills varies from 24 to 45 m/min 10 to 20 m/min 18 to 30 m/min 60 to 90 m/min TRUE ANSWER : ? YOUR ANSWER : ?
The strength of a brazed joint Decreases up to certain gap between the two joining surfaces beyond which it increases Decreases with increase in gap between the two joining surfaces Increases with increase in gap between the two joining surfaces Increases up to certain gap between the two joining surfaces beyond which it decreases TRUE ANSWER : ? YOUR ANSWER : ?
The lathe centres are provided with standard taper known as Morse taper Brown and Sharpe taper Seller's taper Chapman taper TRUE ANSWER : ? YOUR ANSWER : ?