Question

Which of the following is not a bulk deformation process? a) wire drawing b) deep drawing c) extrusion d) forging e) rolling One of the characteristics of a hot working operation is a) low forces required to work the metal b) strain hardening increases the strength of the workpiece c) grain flow during deformation provides for directional properties to be produced d) all of the above e) none of the above As a general rule, hot working is defined as mechanical deformation of a metal above a temperature of a) $0.1T_m$ b) $0.2T_m$ c) $0.5T_m$ d) $0.75T_m$ e) $0.9T_m$ A mechanical forming operation that eliminates surface cooling of the workmetal to prevent hard spots is known as a) isothermal forming b) hot forming c) cold forming d) isobaric forming The bulk deformation process characterized by pushing the workmetal through a die in compression is known as a) wire drawing b) deep drawing c) extrusion d) forging The bulk deformation process that is characterized by the compression of the workmetal between two dies is known as a) rolling b) forging c) wire drawing d) extrusion One method that can be used to reduce the power required to run a rolling mill is to a) increase the roll diameter b) increase the temperature of the workpiece c) increase the draft with each pass d) increase the rolling speed Bulk deformation processes are characterized by a) significant deformations and massive shape changes b) all work being performed above the recrystallization temperature c) workpieces with large surface area-to-volume ratios d) all of the above

          Which of the following is not a bulk deformation process?
a) wire drawing b) deep drawing c) extrusion d) forging e) rolling
One of the characteristics of a hot working operation is
a) low forces required to work the metal
b) strain hardening increases the strength of the workpiece
c) grain flow during deformation provides for directional properties to be produced
d) all of the above
e) none of the above
As a general rule, hot working is defined as mechanical deformation of a metal above a
temperature of
a) $0.1T_m$ b) $0.2T_m$ c) $0.5T_m$ d) $0.75T_m$ e) $0.9T_m$
A mechanical forming operation that eliminates surface cooling of the workmetal to
prevent hard spots is known as
a) isothermal forming
b) hot forming
c) cold forming
d) isobaric forming
The bulk deformation process characterized by pushing the workmetal through a die in
compression is known as
a) wire drawing b) deep drawing c) extrusion d) forging
The bulk deformation process that is characterized by the compression of the workmetal
between two dies is known as
a) rolling b) forging c) wire drawing d) extrusion
One method that can be used to reduce the power required to run a rolling mill is to
a) increase the roll diameter
b) increase the temperature of the workpiece
c) increase the draft with each pass
d) increase the rolling speed
Bulk deformation processes are characterized by
a) significant deformations and massive shape changes
b) all work being performed above the recrystallization temperature
c) workpieces with large surface area-to-volume ratios
d) all of the above

Which of the following is not a bulk deformation process?
a) wire drawing b) deep drawing c) extrusion d) forging e) rolling
One of the characteristics of a hot working operation is
a) low forces required to work the metal
b) strain hardening increases the strength of the workpiece
c) grain flow during deformation provides for directional properties to be produced
d) all of the above
e) none of the above
As a general rule, hot working is defined as mechanical deformation of a metal above a
temperature of
a) 0.1Tm b) 0.2Tm c) 0.5Tm d) 0.75Tm e) 0.9Tm
A mechanical forming operation that eliminates surface cooling of the workmetal to
prevent hard spots is known as
a) isothermal forming
b) hot forming
c) cold forming
d) isobaric forming
The bulk deformation process characterized by pushing the workmetal through a die in
compression is known as
a) wire drawing b) deep drawing c) extrusion d) forging
The bulk deformation process that is characterized by the compression of the workmetal
between two dies is known as
a) rolling b) forging c) wire drawing d) extrusion
One method that can be used to reduce the power required to run a rolling mill is to
a) increase the roll diameter
b) increase the temperature of the workpiece
c) increase the draft with each pass
d) increase the rolling speed
Bulk deformation processes are characterized by
a) significant deformations and massive shape changes
b) all work being performed above the recrystallization temperature
c) workpieces with large surface area-to-volume ratios
d) all of the above

Added by Ruth S.

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