Related Questions

The ability of a material to resist softening at high temperature is known as
A Creep
B Hot tempering
C Hot hardness
D Fatigue
A material is capable of resisting softening at high temperature, because of its property termed as
A Hot temper
B Hot hardness
C Fatigue
D Creep
The ability of a material to resist fracture due to high impact loads, is called
A Strength
B Stiffness
C Toughness
D Brittleness
The correct sequence of tool materials in increasing order of their ability to retain their hot hardness is
A Carbide, ceramic, cermet, borazon
B Ceramic, carbide, borazon, cermet
C Cermet, carbide, ceramic, borazon
D Borazon, ceramic, carbide, cermet
To improve the machinability of steel by its softening, it is subjected to
A Cold working
B Annealing
C Shot blasting
D Heating
The heat treatment process used for softening hardened steel is
A Carburising
B Normalizing
C Annealing
D Tempering
Softening of hardned steel is done by its
A Normalising
B Tempering
C Annealing
D Carburising
For machining a mild steel workpiece by a high speed steel tool, the average cutting speed is
A 5 m/min
B 10 m/ min
C 15 m/min
D 30 m/min
The average cutting speed for turning mild steel with a high speed steel tool is
A 15 to 19 m/min
B 25 to 31 m/min
C 60 to 90 m/min
D 90 to 120 m/min
The strength is the ability of a material to resist
A Deformation under stress
B Externally applied forces with breakdown or yielding
C Fracture due to high impact loads
D None of these

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