A. Lead lined steel
B. Rubber lined steel
C. Stainless steel
D. Cast iron
Hydrochloric acid is stored in a ________________vessel? Read More »
Materials and Construction A. Glass
B. Glass lined steel
C. Teflon
D. Bakelite
The chlorinator used in the manufacture of DDT is made of___________________? Read More »
Materials and Construction A. Nichrome
B. Manganin
C. Perminvar
D. Monel metal
__________________ does not contain copper as an alloying element? Read More »
Materials and Construction A. Cast iron
B. Chemical stoneware
C. Karbate
D. Mild steel
In SO3 absorber (Contact Process), packing material used is of________________? Read More »
Materials and Construction A. Corrosion resistance
B. Tensile strength
C. Machinability
D. Compressive strength
A. White metal
B. Phosphorous bronze
C. Monel
D. Silicon bronze
Bearings subjected to light load are made of________________? Read More »
Materials and Construction A. Hardness increases
B. Ductility reduces
C. Tensile strength increases
D. All A., B. and C.
With increase in the carbon percentage in the steel, its__________________? Read More »
Materials and Construction A. Cold working
B. Annealing
C. Shot blasting
D. Heating
A. An intimate mixture of saw dust and iron dust (i.e. moist ferric hydroxide)
B. Iron impregnated with resin (usually Bakelite)
C. Carbon free iron
D. None of these
Bog iron used for the adsorption of H2S from coke oven gas is___________________? Read More »
Materials and Construction A. Carbon
B. Volatile matter
C. Ash
D. Moisture
The specific gravity of coal depends mainly on its ______________ content? Read More »
Materials and Construction