IndiaBIX

Civil Engineering - Building Materials

Exercise : Building Materials - Section 2
41.
The slag which floats on the surface of the molten iron generally contains
Lime (CaO) 45%
Silica (SiO2) 35%
Alumina (Al2O3) 12%
MgO, CaSO4, KMnO2 and FeO 8%
all the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
42.
Minimum of 40% of iron, is available in
Magnetite
Red haemetite
Limonite
Siderite
Black band.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
43.
If the iron ore contains clay as an impurity, the flux added during calcination, is
clay
lime stone
argillaceous iron ore
all the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
44.
Cement is said to be of good quality if
its colour is not greenish grey
one feels cool by thrusting one's hand in the cement bag
it is not smooth when rubbed in between fingers
a handful of cement thrown into a bucket of water does not sink
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
45.
Cast steel is manufactured by
Cementation process
Crucible process
Bessemer process
Open hearth process.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers