Structural sections such as rails, angles, I-beams are made by
A. hot rolling
B. hot drawing
C. hot piercing
D. hot extrusion
Answer D
In a cold chamber die casting machine
A. melting pot is separate from the machine
B. melting pot is an integral part of the machine
C. melting pot may have any location
D. low temperature and pressure is used
Answer A
The casting method adopted for ornaments and toys of non-ferrous alloys, is
A. permanent mould casting
B. slush casting
C. die casting
D. centrifugal casting
Answer B
A file removes the metal during
A. forward stroke
B. return stroke
C. both forward and return strokes
D. none of these
In a compound die
A. only one operation is performed at each stroke of the ram
B. two or more operations are performed simultaneously at the single stroke of the ram
C. two or more cutting operations are performed at one station of the press in every stroke of the ram
D. both cutting and non-cutting operations are performed at one station of the press in every stroke of the ram
Answer C
