_______________ does not contain tin as an alloying material?
_______________ does not contain tin as an alloying material?
A. Brass
B. Pewter
C. Solder
D. Babbitt metal
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In the Kraft (sulphate) process for the paper manufacture, the digestor is made of________________?
In the Kraft (sulphate) process for the paper manufacture, the digestor is made of________________?A. Cast iron
B. Stainless steel
C. Karbate carbon
D. Wrought ironWhich of the following alloy steels has the energy saving properties making it suitable for use in electrical machines ?
Which of the following alloy steels has the energy saving properties making it suitable for use in electrical machines ?A. Silicon steel
B. Chromium steel
C. Molybdenum steel
D. None of theseDilute sulphuric acid is transported in _____________ pipes?
Dilute sulphuric acid is transported in _____________ pipes?A. Mild steel
B. Lead
C. Copper
D. Special alloysThe crystal structure of most of the common metals is_____________________?
The crystal structure of most of the common metals is_____________________?A. Orthorhombic
B. Cubic
C. Hexagonal
D. None of theseThe main constituent of carborundum is ___________________ carbide?
The main constituent of carborundum is ___________________ carbide?A. Calcium
B. Silicon
C. Boron
D. AluminiumTrough of an apron conveyor is made of___________________?
Trough of an apron conveyor is made of___________________?A. Lead lined concrete vessel
B. Wood
C. Metal
D. Either B. or C.