Building Materials MCQ|Civil Engineering MCQ

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1.Ultimate strength to cement is provided by

(a)Tricalcium silicate

(b)Di-calcium silicate

(c)Tri-calcium aluminate

(d) Tetra calcium alumino ferrite

2.In the cement the compound quickest to react with water, is

(a)Tricalcium aluminate

(b)Tetra-calcium alumino-ferrite

(c)Tricalcium silicate

(d)Di-calcium silicate

3.The rocks which are formed due to cooling of magma at a considerable depth from earth's surface are called

(a)Plutonic rocks

(b)Hypabyssal rocks

(c)Volcanic rocks

(do)igneous rocks

4.Stainless steel contains

(a)18% of chromium and 8% nickel

(b)8% of chromium and 18% of nickel

(d)36% of chromium and 12% of nickel

5.Kaolin is chemically classified as

(a)metamorphic rock

(b)argillaceous rock

(c)calcareous rock

(d)silicious rock

6.Due to attack of dry rot, the timber

(a)cracks

(b)shrinks

(c)reduces to powder

(d)none of these

7.The rocks formed by gradual deposition, are called

(a)sedimentary rocks

(b)igneous rocks

(c)metamorphic rocks

(d)none of these

8.A badly mixed cement concrete results in

(a)segregation

(b)bleeding

(c)honey combing

(d)none to these

9.Chemically, marble is known as

(a)metamorphic rock

(b)argillaceous

(c)calcareous rock

(d)silicious rock

9.Chemically, marble is known as

(a)metamorphic rock

(b)argillaceous rock

(c)calcareous rock

(d)silicious rock

10.Inner part of a timber log surrounding the pitch, is called

(a)sapwood

(b)cambium layer

(c)heart wood

(d)none to these

11.Refractory bricks are used for

(a)retaining walls

(b)columns

(c)piers

(d)combustion chambers

12.The rock generally used for roofing,is

(a)granite

(b)basalt

(c)slate

(d)pumice

13.The most fire resistant paints are:

(a)enamel paints

(b)aluminium paints

(asbestos paints

(d)cement paints

14.A pug mill is used for

(a)softening brick earth

(b)moulding brick earth

(c)tempering brick earth

(d)providing brick earth

15. The commonly used lime in white washing, is

(a)white lime

(b)fat lime

(c)hydraulic lime

(d)lime

Answers:

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Building Materials MCQ|Civil Engineering MCQ