Q.1.
Which of the following additive is added to improve the tool life of steel parts?
Q.2.
What is added to brass to improve the machining of parts made by brass?
Q.3.
Which kind of porosity leads to longer tool life?
Q.4.
Which of the following tool control systems is now widely used?
Q.5.
Which of the following process is used for removing any ‘rag’ on edges?
Q.6.
Which of the following metal joining process is not applicable for P/M parts?
Q.7.
Electrical resistance welding is preferred over oxyacetylene and arc welding for joining P/M parts.
Q.8.
Porous parts must be resin impregnated before plating.