1. 16
2. 8
3. 4
4. 2
16
1. E = 3K (1-2µ)
2. K = 3E (1-2 µ)
3. E = 3K (1- µ)
4. K = 3E (1- µ)
E = 3K (1-2µ)
1. 2
2. 4
3. 6
4. 8
4
1. 2
2. 4
3. 6
4. 8
6
1. uniformly distributed
2. forced towards the outer surface
3. trapped near the mean radius of the casting
4. collected at the center of the casting
collected at the center of the casting
1. increases
2. decreases
3. remains unaffected
4. unpredictable
decreases
1. lower than
2. higher than
3. equal to
4. unrelated to
higher than
1. the die
2. both the die and the punch equally
3. the punch
4. neither the punch nor the die
the punch
1. ductile materials at high speed
2. ductile materials at low speed
3. brittle materials at high speed
4. brittle materials at low speed
ductile materials at low speed
1. 10 sec
2. 20 sec
3. 60 sec
4. 100 sec
20 sec