Materials and Construction

A. Hydrochloric acid (10%)
B. Nitric acid
C. Sulphuric acid upto 60°C
D. All A., B. and C.

A. Combined form
B. Free state as graphite
C. Both A. and B.
D. Neither A. nor B.

A. Low carbon
B. Medium carbon
C. High carbon
D. High alloy

A. 0.015
B. 0.055
C. 0.505
D. 0.805

A. Storage batteries
B. Solder alloys
C. Electric cable sheathing
D. Lead lined vessels

A. A mixture of iron dust and saw dust
B. Carbon impregnated with resin (usually Bakelite)
C. An acid resistant material
D. Both B. and C.

A. Ultimate tensile strength (U.T.S.)
B. Endurance limit
C. Elastic limit
D. None of these

A. Proximity between its elastic limit and ultimate breaking strength
B. Ductility
C. Tensile strength
D. All A., B. and C.

A. Especially resistant to solutions containing H2SO4
B. Usually joined by burning (e.g. by melting to adjacent pieces with a torch)
C. Having very low elastic limit resulting in permanent deformation from either mechanical or
thermal strain
D. All A., B. and C.

A. Orthorhombic
B. Cubic
C. Hexagonal
D. None of these