Materials Science and Manufacturing Engineering Miscellaneous
- The "Jominy test" is used to find
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The Jominy End Quench Test ASTM A 255 measures Harden ability of steels. Harden ability is a measure of the capacity of a steel to be hardened in depth when quenched from its austenitizing temperature. Harden ability of a steel should not be confused with the hardness of a steel.
Correct Option: B
The Jominy End Quench Test ASTM A 255 measures Harden ability of steels. Harden ability is a measure of the capacity of a steel to be hardened in depth when quenched from its austenitizing temperature. Harden ability of a steel should not be confused with the hardness of a steel.
- The primary mechanism of material removal in electrochemical machining (ECM) is
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NA
Correct Option: C
NA
- The principle of material removal in Electrochemical machining is
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NA
Correct Option: B
NA
- The process utilizing mainly thermal energy for removing material is
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Machining by laser beam is achieved through thermo – optic interaction between the beam and work material.
Correct Option: D
Machining by laser beam is achieved through thermo – optic interaction between the beam and work material.
- The following four unconventional machining processes are available in a shop floor. The most appropriate one to drill a hole of square cross section of 6 mm × 6 mm and 25 mm deep is
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EDM is most suitable process of square holes, intricate triangular holes etc.
Correct Option: D
EDM is most suitable process of square holes, intricate triangular holes etc.
