Related Questions

Most of the common metals have __________ crystal structure.
A Cubic
B Hexagonal
C Orthorhombic
D None of these
The crystal structure of most of the common metals is
A Orthorhombic
B Cubic
C Hexagonal
D None of these
Ceramic nuclear metals compared to solid nuclear metals have
A higher melting points
B low strength at high temperature
C more chances of radiation damage
D poorer corrosion resistance
Which of the following metals forms an amalgam with other metals?
A Tin
B Mercury
C Lead
D Zinc
There are thirteen metals which are treated as pollutants. Which of the following metals is not a pollutant?
A Mercury
B Arsenic
C Aluminium
D Lead
Which of the following metals form an amalgam with other metals ?
A Lead
B Tin
C Zinc
D Mercury
An important geometrical quantity in the cutting of metals which can be used as a criterion for machinability of metals is
A Cutting speed
B Feed rate
C Shear angle
D Tool geometry
What type of fusion welding process is used for welding sheet metals of all engineering metals (except Cu, Ag) in automobile and air craft industries, pipe and tubing production?
A Thermit welding
B Electroslag welding
C Resistance welding
D Submerged arc Welding
A metalloid possesses the characteristics of both the metals and non-metals. Which of the following is not a metalloid?
A Arsenic
B Antimony
C Lead
D None of these
The forms in which various metals and non metals occur in nature are called minerals. Which of the following is not a metallic ferrous mineral?
A Cassiterite
B Sphalerite
C Chalcopyrite
D Calcite

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