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Powder Metallurgy
Powder Metallurgy Multiple Choice
Quiz 1
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Q.1
Which of the following additive is added to improve the tool life of steel parts?
a) Copper
b) Bismuth
c) Lead
d) Sulphur
Q.2
What is added to brass to improve the machining of parts made by brass?
a) Copper
b) Lead
c) Bismuth
d) Tin
Q.3
Which kind of porosity leads to longer tool life?
a) Very high
b) Very low
c) Either very high or very low
d) Moderate
Q.4
Which of the following tool control systems is now widely used?
a) Multi-axis computer-controlled tool control system
b) Multi-lines computer-controlled tool control system
c) Multi-plane computer-controlled tool control system
d) Multi-surface computer-controlled tool control system
Q.5
Which of the following process is used for removing any ‘rag’ on edges?
a) Derigging
b) Defragging
c) Deluding
d) Deburring
Q.6
Which of the following metal joining process is not applicable for P/M parts?
a) GTAW
b) Extrusion welding
c) Friction welding
d) Laser beam welding
Q.7
Electrical resistance welding is preferred over oxyacetylene and arc welding for joining P/M parts.
a) True
b) False
Q.8
Porous parts must be resin impregnated before plating.
a) True
b) False
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