Cermets are ______________ materials?
Cermets are ______________ materials?
A. Refractory
B. Reinforced
C. Abrasive
D. Fully metallic
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Presence of cobalt in steel improves its____________________?
Presence of cobalt in steel improves its____________________?A. Cutting ability
B. Corrosion resistance
C. Tensile strength
D. None of theseHigh speed cutting tool steels contain about _______________ percent of tungsten?
High speed cutting tool steels contain about _______________ percent of tungsten?A. 6-8
B. 18-20
C. 30-35
D. 50-55Copper is dissolved from its ore by H2SO4 in a percolation tank made of_________________?
Copper is dissolved from its ore by H2SO4 in a percolation tank made of_________________?A. Wood
B. Stainless steel
C. Reinforced concrete lined with lead
D. High silicon iron (14% Si)Most common stainless steel type 316, which is highly resistant to corrosion contains______________?
Most common stainless steel type 316, which is highly resistant to corrosion contains______________?A. 16-13% Cr 10-14% Ni and 2-3% Mo
B. 20-22% Cr, and 8-10% Ni
C. 2-4% Cr, 22% NI and 2-4% Mo
D. None of theseMuntz metal is a/an alloys of
Question: Muntz metal is a/an alloys of
[A].magnesium & tin [B].
ferrous material [C].
lead & tin [D].
copper & zinc Answer: Option D
Explanation:
No answer description available for this question.
Which one occupies the lowermost position in the electromotive series of metals ?
Which one occupies the lowermost position in the electromotive series of metals ?A. Aluminium
B. Noble metals (Ag, Pt, Au)
C. Zinc
D. Alkali metals (K, Na, Li)