BUILDING MATERIALS MCQS SET 33

BUILDING MATERIALS MCQS SET 33

1. Acrylic is the name of
(A) Cellulose resin
(B) Alkyd resin
(C) Methyl methacrylate
(D) Cumarone-indene
Answer: Option C

2. The PVC doors and windows are preferred as they are
(A) Rust proof
(B) Rot proof
(C) Water proof
(D) All of these
Answer: Option D

3. The sequence of refractory materials according to increasing melting points is:
(A) Dolomite, Magnesia, Bauxite, Chromites
(B) Bauxite, Chromites, Dolomite, Magnesia
(C) Magnesia, Bauxite, Dolomite, Chromites
(D) None of these
Answer: Option B

4. Upto a maximum of 72% of iron, is available in
(A) Magnetite
(B) Limonite
(C) Siderite
(D) Iron pyrites
Answer: Option A

5. The melting point of silica is:
(A) 1570°C
(B) 1630°C
(C) 1730°C
(D) 1850°C
Answer: Option C

6. Lime stones are generally known as
(A) Aqueous rocks
(B) Sedimentary rocks
(C) Stratified rocks
(D) All the above
Answer: Option D

7. Stones used for rubble masonry must be
(A) Soft
(B) Hard
(C) Light
(D) Heavy
Answer: Option B

8. The property by virtue of which lime sets under water, is known as
(A) Slacking
(B) Setting
(C) Hydraulicity
(D) Calcining
Answer: Option C

9. Porcelain is used as:
(A) Sanitary wares
(B) Electric insulators
(C) Storage vessels
(D) Reactor chambers
Answer: Option D
 
10. The lime which contains high percentage of calcium oxide, is generally called
(A) Fat lime
(B) Rich lime
(C) White lime
(D) None of these
Answer: Option D