Discussion
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- Question
In arches, stratified stones are placed so that their planes are
Options- A. parallel
- B. perpendicular
- C. radial
- D. none of these.
- Correct Answer
- radial
- 1. Seasoning of timber is done
Options- A. to make it water proof
- B. to paint its surface
- C. to increase its temperature
- D. to remove water. Discuss
- 2. Sea sand used in structures causes
Options- A. dampness
- B. efflorescence
- C. disintegration
- D. All of these. Discuss
- 3. Pick up the synthetic resin from the following:
Options- A. Malamine resin
- B. Phenolic resin
- C. Resorcinol resin
- D. Urea resin
- E. All of these. Discuss
- 4. The usual percentages of clay and metal in cermet are :
Options- A. 50%, 50%
- B. 60%, 40%
- C. 70%, 30%
- D. 80%, 20%. Discuss
- 5. Permanent magnets are made of high carbon steel and
Options- A. 15% of cobalt
- B. 20% of cobalt
- C. 35% of cobalt
- D. 45% of cobalt. Discuss
- 6. Pick up the rock which is not a sedimentary rock from the following:
Options- A. gravel
- B. sand stone
- C. gypsum
- D. dolerite
- E. lignite. Discuss
- 7. The thermosetting plastic
Options- A. becomes rigid when moulded at suitable pressure and temperature
- B. at 127°C to 177°C permanently set and further application of heat does not soften it
- C. charrs at 343°C
- D. All the above. Discuss
- 8. Plastics are compounds of carbon with element
Options- A. hydrogen
- B. nitrogen
- C. oxygen
- D. All of these. Discuss
- 9. The steel used in R.C.C. work is
Options- A. stainless steel
- B. mild steel
- C. high carbon steel
- D. wrought iron. Discuss
- 10. The cracks which extend from bark towards the sap wood in the cross section of a tree, are called
Options- A. radial shakes
- B. star shakes
- C. heart shakes
- D. cup shakes. Discuss
Building Materials problems
Search Results
Correct Answer: to remove water.
Correct Answer: All of these.
Correct Answer: All of these.
Correct Answer: 80%, 20%.
Correct Answer: 45% of cobalt.
Correct Answer: dolerite
Correct Answer: All the above.
Correct Answer: All of these.
Correct Answer: mild steel
Correct Answer: star shakes
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