Organic in nature
Stronger in compression than in tension
Always amorphous in nature
Always bad heat conductors
✅ The correct answer is option B.
Materials and Construction MCQs
Hardest material so far found is
Diamond
Graphite
Carborundum
Pumice stone
✅ The correct answer is option A.
__________ is added in stainless steel to prevent inter crystal corrosion.
Vanadium
Niobium
Chromium
Nickel
✅ The correct answer is option B.
Neutraliser tank used for reacting nitric acid with ammonia for the production of ammonium nitrate is made of
Aluminium
Stainles steel
High silicon (14%) iron
Copper
✅ The correct answer is option B.
The most distinguished property of malleable cast iron is its high
Ductility
Hardness
Malleability
None of these
✅ The correct answer is option A.
A magnetic material becomes __________ above the Curie temperature.
Ferromagnetic
Diamagnetic
Paramagnetic
None of these
✅ The correct answer is option C.
Which of the following is the hardest material?
Topaz
Quartz
Corrundum
Flourite
✅ The correct answer is option C.
Cold worked steel parts are normally subjected to
Normalising
Hardening
Annealing
Shot peening
✅ The correct answer is option C.
Thermoplastic resins are those polymers, which
Has decreased plasticity at increasing temperature
Can not be moulded
Easily deform under pressure at high temperature
None of these
✅ The correct answer is option C.
Which of the following stainless steels is non-magnetic?
Ferritic
Martensitic
Austenitic
None of these
✅ The correct answer is option C.