When the temperature of a solid metal increases, Both strength and ductility of the metal decreases Strength of the metal increases but ductility decreases Both strength and ductility of the metal increases Strength of the metal decreases but ductility increases TRUE ANSWER : ? YOUR ANSWER : ?
Flank wear depends upon the Hardness of the work and tool material at the operating temperature All of these Degree of strain hardening in the chip Amount and distribution of hard constituents in the work material TRUE ANSWER : ? YOUR ANSWER : ?
For machining a mild steel workpiece using carbide tool, the maximum material will be removed at a temperature of 50°C 100°C 275°C 175°C TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following process is used for preparing parts having large curved surfaces and thin sections? Chemical milling ECM process Hot machining Ultrasonic machining TRUE ANSWER : ? YOUR ANSWER : ?
The method of grinding used to produce internal cylindrical holes and tapers, is Surface grinding Form grinding External cylindrical grinding Internal cylindrical grinding TRUE ANSWER : ? YOUR ANSWER : ?
The structure of a grinding wheel depends upon Hardness of the material being ground Nature of the grinding operation All of these Finish required TRUE ANSWER : ? YOUR ANSWER : ?
Tool life is generally better when Hard constituents are present in the micro-structure of the tool material Grain size of the metal is large Grain size of the metal is small None of the listed here TRUE ANSWER : ? YOUR ANSWER : ?
For machining a cast iron workpiece by a high speed steel tool, the average cutting speed is 15 m/min 30 m/min 22 m/min 10 m/min TRUE ANSWER : ? YOUR ANSWER : ?
The type of reamer used for reaming operation in a blind hole, is Any one of these Left hand spiral fluted reamer Straight fluted reamer Right hand spiral fluted reamer TRUE ANSWER : ? YOUR ANSWER : ?
A push broach as compared to pull broach Has less number of teeth Removes less material for each pass of the tool All of the listed here Is short and stocky TRUE ANSWER : ? YOUR ANSWER : ?