A. Copper & zinc
B. Copper & tin
C. Copper & nickel
D. Zinc & tin
Bell metal is an alloy of __________________? Read More »
Materials and Construction A. Highly corrosion resistant and is readily fabricated
B. Relatively inexpensive although it can be fabricated with some difficulty
C. Corrosion resistant to most alkalis, particularly because of its copper content
D. Light and resists attack by acids
A. Cubic
B. Hexagonal
C. Orthorhombic
D. None of these
Most of the common metals have ______________ crystal structure? Read More »
Materials and Construction A. Nickel
B. Brass
C. Stainless steel-glass lined
D. Cast iron-rubber lined
Evaporator used for concentrating tomato juice is made of __________________? Read More »
Materials and Construction A. Hydrochloric acid (10%)
B. Nitric acid
C. Sulphuric acid upto 60°C
D. All A., B. and C.
Lead lined equipments & vessels are suitable for handling __________________? Read More »
Materials and Construction A. Combined form
B. Free state as graphite
C. Both A. and B.
D. Neither A. nor B.
Carbon is present in steel wholly in the__________________? Read More »
Materials and Construction A. Low carbon
B. Medium carbon
C. High carbon
D. High alloy
Mild steel is a/an _____________ steel? Read More »
Materials and Construction A. 0.015
B. 0.055
C. 0.505
D. 0.805
Maximum permissible sulphur content in steel is ______________ percent? Read More »
Materials and Construction A. Storage batteries
B. Solder alloys
C. Electric cable sheathing
D. Lead lined vessels
Maximum consumption of lead is in the manufacture of _________________________? Read More »
Materials and Construction 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.
Karbate is____________________? Read More »
Materials and Construction