Corrosion resistance
Tensile strength
Machinability
Compressive strength
✅ The correct answer is option C.
Materials and Construction MCQs
Hastelloy comprises of
Copper and tin
Copper and nickel
Molybdenum and nickel
Lead and tin
✅ The correct answer is option C.
Manganese in steel affects its
Ductility
Tensile strength
Hardness
None of these
✅ The correct answer is option B.
Polymorphism is not exhibited by
Carbon
Iron
Phosphorous
None of these
✅ The correct answer is option D.
Zinc is highly __________ at room temperature.
Ductile
Resistant to atmospheric corrosion
Malleable
Brittle
✅ The correct answer is option B.
Glass lined vessels are not used for handling
Dilute HNO₃
Dilute HNO₃
Dilute HCI
Hydroflouric acid
✅ The correct answer is option D.
Pure nickel is
Ferromagnetic above its curie point (i.e., 415°C)
Having h.c.p. crystal lattice
Ferromagnetic at room temperature
Not resistant to oxidation at high temperature
✅ The correct answer is option C.
Which of the following is the most prone to atmospheric corrosion?
Silver
Iron
Tin
Copper
✅ The correct answer is option B.
Which of the following is the lightest of engineering metals?
Magnesium
Aluminium
Titanium
Tin
✅ The correct answer is option A.
How many molecules per unit cell are there in a face centred cubic lettice?
2
4
6
8
✅ The correct answer is option B.