Related Questions

The ability of tool steel to resist softening at high temperatures is termed as __________ hardness.
A Red
B Extended
C Super
D Extreme
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 capable of undergoing large permanent deformation, when subjected to compression is termed as
A Malleable
B Ductile
C Brittle
D None of these
A material capable of undergoing large permanent deformation, when subjected to tension is termed as
A Friable
B Ductile
C Brittle
D None of these
Which of the following heat treatment processes is used for softening the hardened material?
A Normalising
B Tempering
C Annealing
D None of these
Furnace atmosphere for softening temperature determination of refractories (in which segar cones are placed) should be
A Oxidising
B Neutral
C Either A or B
D Neither A nor B
Softening temperature of coal ash is a measure of the __________ of coal.
A Caking tendency
B Coking tendency
C Clinkering tendency
D Size stability
Shock resisting steels should possess high
A Hardness
B Toughness
C Tensile strength
D Wear resistance
To improve the machinability of steel by its softening, it is subjected to
A Cold working
B Annealing
C Shot blasting
D Heating
Softening of hardned steel is done by its
A Normalising
B Tempering
C Annealing
D Carburising

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