Taps, dies and drills contain carbon________________?
Taps, dies and drills contain carbon________________?
A. below 0.5%
B. below 1%
C. above 1%
D. above 2.2%
E. nil
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The brown smoke during the operation of a bessemer Converter indicates that the
Question: The brown smoke during the operation of a bessemer Converter indicates that the
[A].air is burning out silicon and managanese [B].
silicon and manganese has burnt and carbon has started oxidising [C].
the converter must be titled to remove the contents of the converter [D].
the brown smoke does not occur during the operation of a bessemer converter Answer: Option A
Explanation:
No answer description available for this question.
The aluminium alloy made by melting aluminium with 2 to 10% magnesium and 1.75% copper is called
Question: The aluminium alloy made by melting aluminium with 2 to 10% magnesium and 1.75% copper is called
[A].duralumin [B].
Y-alloy [C].
magnalium [D].
hindalium Answer: Option C
Explanation:
No answer description available for this question.
According to Indian standard specifications, cast iron designated by ‘FG 150’ means
Question: According to Indian standard specifications, cast iron designated by ‘FG 150’ means
[A].white cast iron with B.H.N. 150 [B].
white cast iron with 150 MPa as minimum compressive strength [C].
grey cast iron with B.H.N. 150 [D].
grey cast iron with 150 MPa as minimum tensile strength Answer: Option D
Explanation:
No answer description available for this question.
Annealing of white cast iron results in production of_________________?
Annealing of white cast iron results in production of_________________?A. malleable iron
B. nodular iron
C. spheroidal iron
D. grey iron
E. none of the aboveThe following types of materials are usually the most ductile__________________?
The following types of materials are usually the most ductile__________________?A. face-centred cubic lattice
B. body-centred cubic lattice
C. hexagonal close-packed lattice
D. all of the above
E. none of the aboveWhite cast iron has a high tensile strength and a low compressive strength.
Question: White cast iron has a high tensile strength and a low compressive strength.
[A].Yes [B].
No Answer: Option B
Explanation:
White cast iron has a low tensile strength and a high compressive strength.
Source: https://en.wikipedia.org/wiki/Cast_iron#Table_of_comparative_qualities_of_cast_irons