1. The hardest known material is
a) Ceramic
b) High speed steel
c) Cemented carbide
d) Diamond
2. Which of the following welding process uses consumable
electrodes
a) TIG
b) MIG
c) Thermit
d) Laser
3. Wire is made by
a) Drawing
b) Forging
c) Rolling
d) Casting
4. A 1000 tonne press
implies that
a) The weight of
press is 1000 tonne
b) The press can
handle works weighing up to 1000 tonne
c) It can exert
pressure up to 1000 tonne
d) Its turn over in a
day is 1000 tonne
5. Swaging is an operation of
a) Extrusion
b) Forging
c) Casting
d) Rolling
6. Which of the following is the most ductile material
a) Lead
b) Copper
c) Mild steel
d) Vanadium
7. Casting defects caused by the molten metal is
a) Blow holes
b) Swell
c) Scab
d) All of the above
8. Forming operation which does not involve rotation of work
piece is
a) Spinning
b) Thread rolling
c) Ring rolling d) Upsetting
9. Seamless rings are made by the process
a) Super-plastic
forming
b) Mandrel forging
c) Ring rolling
d) Diffusion bonding
10. Trimming process is associated with
a) Polishing of
metals
b) Machining
c) Electroplating
d) Forging
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