Consider the following statements:
Machine tool beds are made using grey cast iron due to
(i) high tensile strength and ductility
(ii) high compressive strength and damping property
(iii) castability and low cost of production
(iv) machinability and low material cost
Which of the above statements are correct?
(a) 1,2 and 3 only (b) 1,3 and 4 only
(c) 2,3 and 4only (d) 1,2,3 and 4