Silicosis

1) Silicosis is caused by lethal dust obtained by crushing which of the following minerals?

a) Mica
b) Quartz
c) Coal
d) None of the above.

2) The silica obtained after crushing the quartz is used as raw material for which of the following industries?

i) Glass
ii) Ceramics
iii) Pharmaceutical
iv) Paints
v) Insecticide

a) i, ii, iii, iv and v
b) i, ii, iv and v
c) i, ii, iii and iv
d) i, ii and iv

3) Which of the following statements is incorrect ?

a) Silicosis causes the incurable and irreversible respiratory disease.
b) Silica or the 'powder of death' is also known as 'black dust'.
c) Silicosis is a compensable disease under the Employee State Insurance (ESI) Act and the Workmen's Compensation Act.
d) Workers working in Quartz cutting units are most vulnerable to this disease.

Answers :

1) b
2) a
3) b, White Dust