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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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