Question

Machine tool manufacturers prefer grey cast-iron grade 40 for producing machine columns and tables because grey cast-iron is                                 

1. Heavy

2. Easily castable

3. Easily weldable

4. Having good damping capacity

Select the correct answer using the codes given below :

(a) 1 and 2                      (b) 2 and 4

(c) 1 and 3                      (d) 3 and 4