2081. __________ is added in stainless steel to prevent inter crystal corrosion.
Vanadium
Niobium
Chromium
Nickel
✅ The correct answer is option B.
Chemical Engineering
Prepare with the best Chemical Engineering MCQs with answers and detailed explanations for exams and job tests. Our collection covers key topics such as chemical process calculations, thermodynamics, fluid mechanics, heat transfer, mass transfer, reaction engineering, instrumentation, and plant design. These Chemical Engineering multiple-choice questions are ideal for students, competitive exam aspirants, and professionals preparing for NTS, PPSC, FPSC, PEC exams, GATE, university entry tests, and job interviews. Practice online with updated Chemical Engineering MCQs to strengthen your concepts and improve technical problem-solving skills.
2082. 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.
2083. The most distinguished property of malleable cast iron is its high
Ductility
Hardness
Malleability
None of these
✅ The correct answer is option A.
2084. A magnetic material becomes __________ above the Curie temperature.
Ferromagnetic
Diamagnetic
Paramagnetic
None of these
✅ The correct answer is option C.
2085. Which of the following is the hardest material?
Topaz
Quartz
Corrundum
Flourite
✅ The correct answer is option C.
2086. Amount of energy that a material can absorb before its fracture is a measure of its
Toughness
Resilience
Malleability
Ductility
✅ The correct answer is option A.
2087. Corrosion resistance of steel is increased by the addition of
Phosphorous and tungsten
Nickel and chromium
Lead and vanadium
Molybdenum and tungsten
✅ The correct answer is option B.
2088. Out of the following, copper vessels are the most suitable for the storage of
Bromine
Dry chlorine & dry fluorine
Nitric acid (95% and fuming)
Phosphoric acid (95%) & sulphuric acid (95% and fuming)
✅ The correct answer is option B.
2089. In hot wire aneomometer used for gas flow measurement, the wire is normally made of
Copper
Platinum
Constantan
Chromium
✅ The correct answer is option B.
2090. Material of construction of pipe generally used for conveying water in India is
Stainless steel
Cast iron
Wrought iron
Lead lined steel
✅ The correct answer is option B.