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- Question
Mastic asphalt is
Options- A. acid resisting material
- B. non-corrosive material
- C. corrosive material
- D. heating-resisting material.
- Correct Answer
- non-corrosive material
- 1. Pick up the correct statement from the following:
Options- A. The percentage of absorption for firebricks varies from 5 to 10
- B. The percentage of silica in silica bricks is to the extent of about 95 to 97 percent
- C. Roughly 1 to 2 percent of lime in silica bricks is added to act as binding material
- D. The compressive strength of silica bricks is about 150 kg/cm2
- E. All the above. Discuss
- 2. Asbestos
Options- A. is an excellant insulator for heat and electricity
- B. is fire-proof and acid proof
- C. has sp. gravity equal to 3.10
- D. is smooth like glass and silk
- E. All the above. Discuss
- 3. The commonly used base for iron and steel work, is
Options- A. red lead
- B. zinc white
- C. white lead
- D. titanium white. Discuss
- 4. Lime mortar is generally made with
Options- A. quick lime
- B. fat lime
- C. hydraulic lime
- D. plain lime
- E. none of these. Discuss
- 5. The most commonly used synthetic abrasive is
Options- A. aluminium carbide
- B. boric acid
- C. silicon
- D. All of these. Discuss
- 6. The PVC doors and windows are preferred as they are
Options- A. rust proof
- B. rot proof
- C. termile proof
- D. water proof
- E. all of these. Discuss
- 7. Glazing of clay products, is done
Options- A. to improve their appearance
- B. to protect them from atmospheric effect
- C. to protect them from corrosive action
- D. all the above. Discuss
- 8. To give a brilliant finish, the type of varnish used, is
Options- A. water varnish
- B. spirit varnish
- C. turpentine varnish
- D. oil varnish
- E. none of these. Discuss
- 9. A stone is rejected if it absorbs water more than
Options- A. 5%
- B. 10%
- C. 15%
- D. 20%
- E. 25%. Discuss
- 10. Mild steel is used for
Options- A. structural works in beams, joints and girders
- B. small sized water pipes
- C. columns and struts
- D. none of these. Discuss
Building Materials problems
Search Results
Correct Answer: All the above.
Correct Answer: All the above.
Correct Answer: red lead
Correct Answer: hydraulic lime
Correct Answer: All of these.
Correct Answer: all of these.
Correct Answer: all the above.
Correct Answer: spirit varnish
Correct Answer: 10%
Correct Answer: structural works in beams, joints and girders
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