IndiaBIX

Civil Engineering - Building Materials

Exercise : Building Materials - Section 6
41.
Upto a maximum of 72% of iron, is available in
Magnetite
Red haemetite
Limonite
Siderite
Iron pyrites.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
42.
For lime concrete,
slump is 50 to 75 mm
flexural strength at 90 days is 0.2 N/mm2
compressive strength at 90 days is 1.5 N/mm2
compressive strength at 26 days is 1.2 N/mm2
all the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
43.
Pig iron made from heamatite ores free from sulphur, phosphorus and copper, is known as
Bessemer pig
Grey or foundry pig
White or forge pig
Mottled pig
All the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
44.
Pick up the correct statement from the following:
Blistering may be cured by applying water paint finished with oil paint dried with a little copal varnish
Cracked paints may be cured by removing paint and giving a fresh coat of paint
Crawling paints may be cured by sand preparing the surface and giving a fresh coat with plenty of turps
All the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
45.
The material generally not used as extender in paints, is
powdered silica
gypsum
talc
zinc white.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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