Chemical Engineering » Materials and Construction
Karbate is____________________?

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.

Maximum consumption of lead is in the manufacture of _________________________?

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

Mild steel is a/an _____________ steel?

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

Carbon is present in steel wholly in the__________________?

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

Lead lined equipments & vessels are suitable for handling __________________?

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

Evaporator used for concentrating tomato juice is made of __________________?

A. Nickel
B. Brass
C. Stainless steel-glass lined
D. Cast iron-rubber lined

Condenser tubes are not made of_________________?

A. Cartridge brass
B. Muntz brass
C. Wood metal
D. Aluminium brass alloy

Ball bearings are normally made of _____________ steel?

A. High speed
B. High carbon
C. Chrome
D. Silicon