Materials and Construction-Data Intensity 4 Multiple Questions and Answers.




1.An elastic behaviour of materials is expressed in terms of___?
A. Hysteresis loop area
B. Stress-strain curve
C. Relaxation time
D. None of these

2.The formation of oxide film on a metal due to atmospheric exposure reduces its_?
A. Toughness
B. Stiffness
C. Creep limit
D. All of above

3.Which of the following would not be a suitable material of construction for handling aqueous hydrofluoric acid (HF) at 100°C ?
A. Monel
B. Stainless steel
C. Graphite
D. Kel-F and Teflon

4.Most suitable material of construction for the storage of concentrated nitric acid is__?
A. Cast iron
B. Monel
C. Karbate
D. Aluminium or chromium alloys (Cr > 18% for cold acid)

5.A suitable material of construction to use with fuming sulphuric acid is___?
A. Carbon steel
B. Stainless steel type 304
C. Nickel
D. Monel

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