Q1. Which country has maximum contribution in worldwide forging industry:

(a)  USA, Canada   (b)  Europe   (c)  China   (d)  India

Q2. The types of extrusion process involved in metal forming are:

(a)  4   (b)  1   (c)  3   (d)  5

Q3. Parameter which separate cold forming process from hot forming process is:

(a)   Re-crystallisation temperature
(b)   Melting point
(c)   Physical properties
(d)   Surface properties

Q4. How many types of presses are shown in extrusion process module:

(a)  10   (b)  1   (c)  3   (d)  5

Q5. The force acting on the work piece during extrusion operation is:

(a)  Compressive Force   (b)  Shear Force   (c)  Tensile Force   (d)  Spring Back Force

Q6. In simulation bench of extrusion process for aluminium, the velocity of ram used is:

(a)  1 mm/sec & 5 mm/sec   (b)  2 mm/sec & 3 mm/sec   (c)  5 mm/sec & 7 mm/sec   (d)  4 mm/sec & 5 mm/sec

Q7. The die angles used in the simulation of the extrusion process for aluminium are:

(a)  45^o, 60^o, 90^o   (b)  10^o, 45^o, 60^o   (c)  20^o, 40^o, 60^o   (d)  10^o, 20^o, 30^o

Q8. Metal extrusion process is generally used for producing:

(a)  Uniform solid section   (b)  Uniform hollow section   (c)  Both   (d)  None

Q9. For successive extrusion, the metal should be:

(a)  Ductile   (b)  Malleable   (c)  Plastic   (d)  Toug

Q10. The extrusion chamber, die and the ram are generally lubricated by:

(a)  Grease   (b)  Solid lubrican   (c)  Vegetable   (d)  Kerosene oil

Q11. Pipe dimensions are shown in figure, relation for 'l' is:

(a)     (b)     (c)     (d)  

Q12. If the D1 = 50mm, D2 = 45 mm, length (L) = 100 mm, r1 = 25 mm, r2 = 20 mm, l = ? :

(a)  211.2 mm   (b)  123 mm   (c)  232 mm   (d)  245 mm

Q13. If the D1 = 55mm, D2 = 50 mm, length (L) = 150 mm, r1= 30 mm, r2 = 20 mm, l = ? :

(a)  157.5 mm   (b)  134 mm   (c)  220 mm   (d)  435 mm

Q14. If the D1 = 55mm, D2 = 50 mm, length (L) = 150 mm, r1 = 30 mm, r2 = ?, l= 300 mm :

(a)  14.9 mm   (b)  21 mm   (c)  12 mm   (d)  23 mm

Q15. Solid billet and pipe dimensions are shown in figure, relation for 'l' is:

(a)              (b)  
(c)              (d)  

Q16. If the D1= 50 mm, length (L) = 100 mm, d1 = 25 mm, d2 = 20mm, l = ? :

(a)  1111 mm   (b)  1000 mm   (c)  900 mm   (d)  872 mm

Q17. If the D1 = 40 mm, length (L) = 100 mm, d1 = 20 mm, d2 = 10 mm, l = ? :

(a)  533 mm   (b)  545 mm   (c)  555 mm   (d)  562 mm

Q18. If the D1 = 30 mm, length (L) = 100 mm, d1 = 20 mm, d2 = ?, l = 600 mm :

(a)  11.5 mm   (b)  7.8 mm   (c)  10 mm   (d)  8 mm