11) Dies for wire drawing are made of
a) cost iron
b) wrought iron
c) mild steel
d) carbides
12)Gnatt chart provides information about the
(a) material handling
(b) proper utilisation of manpower
(c) production schedule
(d) efficient working of machine
(e) all of the above.
13) A floating mandrel is used in
a) wire drawing
b) tube drawing
c) metal cutting
d) forging
14) Flange wrinkles is the defect found in
a) Blanking
b) Spinning
c) Bending
d) Deep drawing
15) Bolt heads are manufactured by
a) Swaging
b) Roll forging
c) Tumbling
d) Upset forging
16) Which of the following metals has the greatest sintering temperature ?
a) Copper
b) iron
c) Tugsten
d) Stainless steel
17) Which of the following metals are commonly employed in power metallurgy ?
a) Aluminium
b) Copper
c) Iron
d) All of these
18) Inconel and Hastelloy require cutting tools that are
a) tough
b) wear-resistant
c) heat-resistant
d) shock resistant
19) Nose radius is expressed in
a) Degree
b) Radian
c) mm
d) Steradian
20) Tool signature in ASA system comprises of
a) 4 elements
b) 5 elements
c) 6 elements
d) 7 elements