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This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
The total alumina content in high alumina cement should not be less than _______(a) 24%(b) 32%(c) 50%(d) 75%The question was posed to me by my school principal while I was bunking the class.I'm obligated to ask this question of Plain and Reinforced in division Miscellaneous Materials, Plain and Reinforced Cement Concrete of Construction & Building Materials |
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Answer» The correct CHOICE is (B) 32% |
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| 52. |
Calcium sulphate is present in ordinary cement in the form of __________(a) Lime(b) Alumina(c) Gypsum(d) MagnesiaI have been asked this question in exam.My enquiry is from Plain and Reinforced in division Miscellaneous Materials, Plain and Reinforced Cement Concrete of Construction & Building Materials |
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Answer» CORRECT answer is (c) GYPSUM To explain I would say: Various INGREDIENTS of ORDINARY cement are lime, alumina, calcium sulphate, iron OXIDE, magnesia, etc. Calcium sulphate is present in ordinary cement in the form of gypsum. The function of calcium sulphate in cement is to increase its initial setting time. |
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| 53. |
Which of the following oils is obtained from the seed of rape plant?(a) Castor oil(b) Colza oil(c) Hazel-nut oil(d) Olive oilThis question was addressed to me in semester exam.My question comes from Miscellaneous Materials in section Miscellaneous Materials, Plain and Reinforced Cement Concrete of Construction & Building Materials |
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Answer» CORRECT choice is (b) Colza oil For explanation I would say: Colza oil is obtained from the SEED of rape plant. This plant belongs to the CABBAGE family. Colza oil is used as a lubricant for delicate INSTRUMENTS. |
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| 54. |
Plaster of Paris is __________(a) Double hydrate of aluminium sulphate(b) Double hydrate of calcium sulphate(c) Hemihydrate of calcium sulphate(d) Hemihydrate of aluminium sulphateI have been asked this question in a job interview.I'd like to ask this question from Miscellaneous Materials in portion Miscellaneous Materials, Plain and Reinforced Cement Concrete of Construction & Building Materials |
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Answer» The correct choice is (c) Hemihydrate of calcium sulphate |
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