Building Material

Q: Stainless steel contains

(a) :  18% of chromuim and 8% nickel
(b) :  8% of chromium and 18% of nickel
(c) :  12% of chromium and 36% of nickel
(d) :  36% of chromium and 12% of nickel.
(e) :  None of these.
Answer:  18% of chromuim and 8% nickel

Q: The silica is used for preparing

(a) :  silica bricks
(b) :  coke oven
(c) :  lining for glass furnaces
(d) :  All of these.
(e) :  None of these.
Answer:  all of these

Q: The foliated structure is very common in

(a) :  sedimentary rocks
(b) :  igneous rocks
(c) :  metamorphic rocks
(d) :  All of above
(e) :  None of these.
Answer:  metamorphic rocks

Q: Pick up the correct statement regarding low heat cement from the following:

(a) :  It possesses less compressive strength
(b) :  Its initial setting time is about one hour
(c) :  Its final setting time is about 10 hours
(d) :  Its mainly used for mass concrete work
(e) :  All the above
Answer:  All the above

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