A. An element, which exhibits the properties of both metal & non metal
B. Highly electronegative in nature
C. An alloy
D. All A., B. & C.
Related Mcqs:
- Metalloid is__________________?
A. Highly electronegative in nature
B. An element which exhibits the properties of both metal & non-metal
C. An alloy
D. All A., B. and C. - With increase in the carbon percentage in the steel, its__________________?
A. Hardness increases
B. Ductility reduces
C. Tensile strength increases
D. All A., B. and C. - High speed steel tools retain their hardness upto a temperature of _____________ °C?
A. 500
B. 750
C. 900
D. 1100 - High speed steel should have high___________________?
A. Toughness
B. Wear resistance
C. Hardenability
D. Both B. & C. - Which of the following is the hardest material ?
A. Topaz
B. Quartz
C. Corundum
D. Fluorite - Which of the following undergoes granular fracture ?
A. Wrought iron
B. Steel
C. Cast iron
D. None of these - Which has the maximum melting point out of the following ?
A. Steel
B. Cast iron
C. Stainless steel
D. Wrought iron - _____________ is used for examining the macro-structure of a material?
A. Metallurgical microscope
B. Optical microscope
C. X-rays
D. Visual inspection by naked eye - Galvanising (i.e., zinc coating) of steel sheets is done to______________________?
A. Prevent its rusting by contact with corrosive atmosphere
B. Protect the base metal by cathodic protection
C. Both A. & B.
D. Neither A. nor B. - The ability of a material to absorb energy in the elastic range is a measure of its __________________?
A. Toughness
B. Resilience
C. Malleability
D. Brittleness
