A. Stainless steel
B. Cast iron
C. Titanium
D. Hastelloy C
A. Lead lined steel
B. Stainless steel
C. Aluminium
D. Cast iron
Spray dryer for evaporating milk to produce milk powder is made of_________________? Read More »
Materials and Construction A. Aqua regia
B. Chloroform
C. Sulphuric acid (95%)
D. All A., B. and C.
Rubber lined vessels are corroded by the action of__________________? Read More »
Materials and Construction A. High carbon iron
B. Highly resistance to acid corrosion
C. Malleable & ductile; and hence is used for chain links, hooks & couplings
D. An alloy of iron, chromium & carbon
Wrought iron is ____________________? Read More »
Materials and Construction A. Above 1403
B. Upto 910
C. Above 1800
D. Between 910 & 1403
Alpha iron is stable ______________ °C? Read More »
Materials and Construction A. Talc
B. Gypsum
C. Rubber
D. None of these
The softest material in Mho’s scale (for measuring hardness) is________________? Read More »
Materials and Construction A. High toughness
B. Poor hardenability
C. High wear resistance
D. All A., B. & C.
Cold work tool steel should have_________________? Read More »
Materials and Construction A. Tin, nickel, iron and chromium
B. And graphite
C. And copper
D. None of these
A. High carbon steel
B. Wrought iron
C. Mild steel
D. None of these
An alloy of iron containing 4% carbon is called________________? Read More »
Materials and Construction A. Metallurgical microscope
B. Optical microscope
C. X-rays
D. Visual inspection by naked eye
_____________ is used for examining the macro-structure of a material? Read More »
Materials and Construction