With increase in carbide/graphite ratio in cast iron, its________?

A moderator ________ the neutrons?

Energy requirement (per unit mass of material crushed/ground) is highest for________?

Which of the following is not a batch drier?

Inhalation of silica dust by human being during hand drilling in mica mining, lead & zinc mining, silica refractory manufacture and in foundries causes________?

Which of the following relates the emf. generated in a single homogeneous wire to the temperature difference?