Building Materials problems
- 1. Pick up the correct statement from the following:
Options- A. The substance which consists of one primary chemical, is known as monomer
- B. The polymer consists of thousands of monomers joined together
- C. The polymer molecule is called macro-molecule
- D. A polymetric material consists of a large number of long-chain molecules
- E. All the above. Discuss
Correct Answer: All the above.
- 2. Dextrin is
Options- A. animal glue
- B. starch glue
- C. albumin glue
- D. rubber based adhesive
- E. none to these. Discuss
Correct Answer: rubber based adhesive
- 3. Pozzolana (or surkhi) is used in lime
Options- A. to impart hydraulicity
- B. to prevent shrinkage
- C. to decrease the cost of construction
- D. to decrease the setting time. Discuss
Correct Answer: to impart hydraulicity
- 4. Quick setting cement is produced by adding
Options- A. less amount of gypsum in very fine powdered form
- B. more amount of gypsum in very fine powdered form
- C. aluminium sulphate in very fine powdered form
- D. pozzolana in very fine powdered form
- E. none of these. Discuss
Correct Answer: aluminium sulphate in very fine powdered form
- 5. The type of steel used for precision levelling staff, is
Options- A. Titanium steel
- B. Carbon steel
- C. Invar
- D. Stainless steel. Discuss
Correct Answer: Invar
- 6. The timber having maximum resistance against white ants, is obtained from
Options- A. chir
- B. shisham
- C. sal
- D. teak. Discuss
Correct Answer: sal
- 7. Bulking of sand is caused due to
Options- A. surface moisture
- B. air voids
- C. viscosity
- D. clay contents
- E. all the above. Discuss
Correct Answer: surface moisture
- 8. The commonly used drying oil for oil paints, is
Options- A. olive oil
- B. linseed oil
- C. kerosine oil
- D. accetate of lead. Discuss
Correct Answer: accetate of lead.
- 9. Pick up the correct statement from the following:
Options- A. Catalysts are added to assist and accelerate the hardening of resin,
- B. The fillers are inert materials and they impart strength and hardness
- C. Fibrous fillers increase thermal resistance
- D. All the above. Discuss
Correct Answer: All the above.
- 10. Pick up the correct statement from the following:
Options- A. The distinct plane of division along which a stone can easily be split, is called natural bed of stone
- B. The natural bed of sedimentary rocks is along the planes of stratification
- C. The natural bed of igneous rocks is not defined
- D. All the above. Discuss
Correct Answer: All the above.
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