1. The process of converting the raw material into finished product using machine is called
A] Finishing process
B] metal cutting process
C] manufacturing process
D] none of the above
2. The process of in which molten metal is poured into mould of desired shape is called as 
A] metal forming
B] metal forging
C] casting
D] Injection molding
3. The following material not suitable for casting
A] aluminum
B] plastic
C] copper
D] alloy steel

4. The example of component manufactured by casting is 
A] Flywheel
B] gears
C] engine cylinder
D] connecting rod
5. In cold and hot metal forming process, which type of deformation takes place
A] Plastic
B] Elastic
C] Pseudo plastic
D] None
6. Hot working forming process is carried out at
A] Melting temperature
B] Re-crystallization temperature
C] Below re-crystallization
D] above re-crystallization

7. Draft on pattern means
A] Compensation for shrinkage
B] allowance for machining
C] Facility for alignment
D] facility for smooth withdrawal
8. The temperature at which the new grains are formed in the metal is called
A] Lower critical temperature
B] upper critical temperature
C] Eutectic temperature
D] recrystallisation temperature
9. ______ leads to distortion of grains
A] hot working
B] cold working
C]casting
D] welding

10. Strong covalent bonds exists between polymer chains in ...............
A. Thermoplasts
B. Thermosets
C. Elastomers
D. All polymers
11. Elastic deformation in polymers is due to .................
A. Slight adjust of molecular chains
B. Slippage of molecular chains
C. Straightening of molecular chains
D. Severe of Covalent bonds
12. These polymers can not be recycled:
A. Thermoplasts
B. Thermosets
C. Elastomers
D. All polymers