Q. Polythene (low or high density) containers are not corroded by
✅ Correct Answer: (A)
Sulphuric acid (10%) at room temperature
Materials And Construction MCQs | Page - 18
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. An alloy of iron containing 4% carbon is called
✅ Correct Answer: (D)
None of these
Q. German silver used for decorative purposes contains maximum percentage of
✅ Correct Answer: (B)
Copper
Q. Carbon percentage is the same in cast iron and
✅ Correct Answer: (B)
Pig iron
Q. Which one contains the least percentage of carbon?
✅ Correct Answer: (A)
Wrought iron
Q. Spark plugs, ignition tubes and electrodes are made of nickel __________ alloys.
✅ Correct Answer: (B)
Manganese
Q. The purpose of nitriding the steel is to
✅ Correct Answer: (C)
Harden its surface
Q. In order to be called steel, an alloy should have iron percentage greater than
✅ Correct Answer: (C)
80
Q. __________ does not contain copper as an alloying element,
✅ Correct Answer: (D)
Nichrome
Q. Copper has very low
✅ Correct Answer: (C)
Tensile strength
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