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.Management Sciences
Category: Materials and Construction
Amount of energy that a material can absorb before its fracture is a measure of its _________________?
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A. Toughness
B. Resilience
C. Malleability
D. Ductility
A steel alloy containing 36% nickel is called _____________________, which has a zero co-efficient of expansion?
A. Austenitic stainless steel
B. Heat resisting steel
C. Invar
D. High speed steel
Compressive strength of wood is usually more along the grains. The tenile strength of wood as compared to that of steel is about_______________?
A. Half
B. One third
C. One fifth
D. One twelfth
When iron is rusted, it is__________________?
A. Converted to a fine powder
B. Reduced
C. Oxidised
D. None of these
The softest material just next to talc in the Mho’s scale is___________________?
A. Quartz
B. Gypsum
C. Feldspar
D. Fluorite
Hardest material so far found is__________________?
A. Diamond
B. Graphite
C. Carborundum
D. Pumice stone
Carbon content in plain carbon steel is ______________ percent?
A. 0.1 to 0.15
B. 0.35 to 0.45
C. 0.65 to 0.80
D. 0.85 to 1.2
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