Materials and Construction-Data Intensity 3 Multiple Questions and Answers.




1.Which of the following materials may prove unsuitable for handling acetic acid (glacial & anhydrous) at 40°C ?
A. Silicone rubber, teflon, porcelain and wood
B. Nickel, monel, stainless steel and graphite
C. Aluminium, copper, high silicon iron
D. Brass, cast iron, mild steel and tin

2.The softest material just next to talc in the Mhos scale is____?
A. Quartz
B. Gypsum
C. Feldspar
D. Fluorite

3.In drop forging process, the forging is done by dropping the _____ at high velocity?
A. Hammer
B. Workpiece
C. Die with hammer
D. Weight on hammer

4.Thermal shield used in high powered nuclear reactor to protect the walls of the reactor from radiation damage is made of__?
A. Concrete
B. Steel
C. Zircaloy
D. Graphite

5.The preferred material of construction for storage tanks for 98% sulphuric acid is___?
A. Aluminium
B. Lead
C. Stainless steel 316
D. Mild steel

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