Related Questions

Which of the following cements is suitable for use in massive concrete structures such as large dams?
A Ordinary Portland cement
B Low heat cement
C Rapid hardening cement
D Sulphate resisting cement
Which is not an alumino-silicate refractory?
A Fireclay bricks
B Mullite bricks
C Tar dolomite bricks
D High alumina bricks
Presence of MgO in alumino-silicate refractories __________ its refractoriness.
A Increases
B Lowers
C Does not affect
D Either A or B; depends on its quantity
This group of alumino-silicate minerals is widely used in making electrical insulators
A Bauxite
B Chromite
C Manganese
D Mica
Solution X contains 40% salt and 60% water by weights, Solution Y contains 25% salt and 75% water. If a mixture of X and Y contains 30% salt. What percent of the weight of this mixture is solution X?
A 10%
B 33.3%
C 40%
D 42.5%
Which of the following ores contains maximum percentage of uranium?
A Rescolite
B Thorium
C Pitchblende
D Carnotite
Which of the following contains maximum percentage of carbon?
A Boiler plate steel
B Rail steel
C Saws for cutting steel
D Railway spring steel
Which one of the following contains maximum percentage of carbon ?
A Cast iron
B Stainless steel
C Wrought iron
D High speed steel
Ganister contains maximum percentage of
A FeO
B SiO2
C MgO
D MnO2
German silver used for decorative purposes contains maximum percentage of
A Silver
B Copper
C Zinc
D Nickel

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