Q. Presence of even very minute amount (say 0.1%) of __________ in copper, reduces its electrical conductivity very seriously.
✅ Correct Answer: (D)
Both B and C
Materials And Construction MCQs | Page - 5
Dear candidates you will find MCQ questions of Materials And Construction here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.
Q. Thermometer bulb & capillary in case of mercury filled pressure spring expansion thermometer is normally made of __________ as mercury does not amalgamate with it.
✅ Correct Answer: (C)
Stainless steel
Q. Dies for wire drawing are generally made of
✅ Correct Answer: (B)
Carbides
Q. High resistance electrical heating elements/wire are not made of
✅ Correct Answer: (A)
Marageing steel
Q. Pick the odd man out of the following.
✅ Correct Answer: (A)
Calorising
Q. For handling sulphuric acid of 95% strength, the suitable material of construction for pipes is
✅ Correct Answer: (B)
Cast iron
Q. Sulphuric acid pickling tanks are lined with
✅ Correct Answer: (B)
Rubber
Q. __________ iron is produced, when molten pig iron is chilled suddenly.
✅ Correct Answer: (A)
White cast
Q. Percentage of silver in German silver is
✅ Correct Answer: (A)
0
Q. The material used in the filament of electric bulbs is
✅ Correct Answer: (B)
Tungsten
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