Which of the following is not a nickel based alloy ?
Which of the following is not a nickel based alloy ?
A. Inconel
B. Hastelloys
C. Nimonics
D. Babbitt metal
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Tin vessels are corroded by____________________?
Tin vessels are corroded by____________________?A. Anhydrous ammonia
B. Aromatic solvents
C. Synthetic detergent solution
D. None of theseMild steel storage vessels are suitable for the storage of___________________?
Mild steel storage vessels are suitable for the storage of___________________?A. Anhydrous ammonia
B. Fatty acids
C. Hydrochloric acid (95%)
D. Sulphuric acid (25%)Which of the following is the lightest of engineering metals ?
Which of the following is the lightest of engineering metals ?A. Magnesium
B. Aluminium
C. Titanium
D. TinHardest material so far found is
Question: Hardest material so far found is
[A].diamond [B].
graphite [C].
carborundum [D].
pumice stone Answer: Option A
Explanation:
No answer description available for this question.
Corrosion resistance of steel is increased by the addition of
Question: Corrosion resistance of steel is increased by the addition of
[A].phosphorous and tungsten. [B].
nickel and chromium. [C].
lead and vanadium. [D].
molybdenum and tungsten. Answer: Option B
Explanation:
No answer description available for this question.
H2SO4 (< 50% concentration) is corrosive to
Question: H2SO4 (< 50% concentration) is corrosive to
[A].aluminium, mild steel, stainless steel, concrete & tin. [B].
copper, cast iron & high silicon iron (14% Si). [C].
rubber (butyl and hard), silicone rubber & teflon. [D].
glass, graphite, porcelain & stoneware. Answer: Option A
Explanation:
No answer description available for this question.