ENMF 417 EXAM QUESTIONS WITH COMPLETE
ANSWERS
Which manufacturing method has the best metallurgical properties? - ANSWER Forging
Which factors are concerns when considering the machinability of materials? - ANSWER
Surface Integrity
Tool Life
The level of difficulty in chip control
Productivity
A lathe can be used to perform which machining operations? - ANSWER Boring
Turning
Drilling
The use of a parison is associated with which plastic shaping processes? - ANSWER
Blow molding
Sand casting is which type of molding process? - ANSWER Permanent pattern,
expendable mold
What is the standard centreline angle for an imperial countersink? - ANSWER 90
degrees
Welding operations in order of decreasing distortion - ANSWER SAW
GMAW
GTAW
LBW
, Which casting defects are associated with turbulence during pouring? - ANSWER Mold
erosion
Oxidation
Incomplete filling
What is typically used as the binding element in Carbide cutting tools? - ANSWER Cobalt
BUE is an example of what type of tool wear? - ANSWER Adhesion wear
Which metals would typically be used in die casting? - ANSWER Aluminum
Tin
Zinc
Platinum is an example of a: - ANSWER precious metal
In sand casting, the volumetric size of the pattern is: - ANSWER Bigger than the cast
part
Production of pipes and tubes is associated with which of the following bulk deformation
processes? - ANSWER Extrusion
A broaching operation is best described by: - ANSWER A tool with multiple teeth moves
linearly past a stationary workpiece
For metallurgical reasons, it's desirable to melt the weld metal with minimum energy
input. Which heat source is most consistent with this objective? - ANSWER High power
density
ANSWERS
Which manufacturing method has the best metallurgical properties? - ANSWER Forging
Which factors are concerns when considering the machinability of materials? - ANSWER
Surface Integrity
Tool Life
The level of difficulty in chip control
Productivity
A lathe can be used to perform which machining operations? - ANSWER Boring
Turning
Drilling
The use of a parison is associated with which plastic shaping processes? - ANSWER
Blow molding
Sand casting is which type of molding process? - ANSWER Permanent pattern,
expendable mold
What is the standard centreline angle for an imperial countersink? - ANSWER 90
degrees
Welding operations in order of decreasing distortion - ANSWER SAW
GMAW
GTAW
LBW
, Which casting defects are associated with turbulence during pouring? - ANSWER Mold
erosion
Oxidation
Incomplete filling
What is typically used as the binding element in Carbide cutting tools? - ANSWER Cobalt
BUE is an example of what type of tool wear? - ANSWER Adhesion wear
Which metals would typically be used in die casting? - ANSWER Aluminum
Tin
Zinc
Platinum is an example of a: - ANSWER precious metal
In sand casting, the volumetric size of the pattern is: - ANSWER Bigger than the cast
part
Production of pipes and tubes is associated with which of the following bulk deformation
processes? - ANSWER Extrusion
A broaching operation is best described by: - ANSWER A tool with multiple teeth moves
linearly past a stationary workpiece
For metallurgical reasons, it's desirable to melt the weld metal with minimum energy
input. Which heat source is most consistent with this objective? - ANSWER High power
density
