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- Question
The sequence of refractory materials according to increasing melting points is :
Options- A. Dolomite, Magnesia, Bauxite, Chromite
- B. Bauxite, Chromite, Dolomite, Magnesia
- C. Magnesia, Bauxite, Dolomite, Chromite.
- Correct Answer
- Bauxite, Chromite, Dolomite, Magnesia
- 1. The material generally not used as extender in paints, is
Options- A. powdered silica
- B. gypsum
- C. talc
- D. zinc white. Discuss
- 2. Seasoning of timber is essential to remove
Options- A. knots from timber
- B. sap from timber
- C. twisted fibre from timber
- D. roughness of timber. Discuss
- 3. Forge pig may be converted to wrought iron by
Options- A. rolling
- B. pudding
- C. shingling
- D. refining. Discuss
- 4. The steel used for rails under heavy traffic and on sharp curves, is
Options- A. Nickel steel
- B. Chrome steel
- C. Magnese steel
- D. Vanadium steel. Discuss
- 5. 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
- 6. Pick up the correct statement from the following:
Options- A. Bull's trench kiln a trench excavated in ground
- B. Hoffman's kiln is constructed overground
- C. Tunnel Kiln is constructed as a tunnel
- D. All the above. Discuss
- 7. Veneering means
Options- A. carving out designs on timber planks
- B. chemically treating timber planks
- C. thick layer of superior wood glued to inferior wood
- D. thin layer of superior wood glued to inferior wood. Discuss
- 8. Pig iron made from heamatite ores free from sulphur, phosphorus and copper, is known as
Options- A. Bessemer pig
- B. Grey or foundry pig
- C. White or forge pig
- D. Mottled pig
- E. All the above. Discuss
- 9. Pick up the non-inflammable plastic from the following:
Options- A. Cellulose acetate plastics
- B. Polyvinyl chloride plastics
- C. Phenol formaldehyde plastic
- D. Urea formaldehyde plastic. Discuss
- 10. Which one of the following is used for preparing porcelain
Options- A. clay
- B. feldspar
- C. quartz
- D. minerals
- E. All of these. Discuss
Building Materials problems
Search Results
Correct Answer: zinc white.
Correct Answer: sap from timber
Correct Answer: pudding
Correct Answer: Magnese steel
Correct Answer: star shakes
Correct Answer: All the above.
Correct Answer: thick layer of superior wood glued to inferior wood
Correct Answer: Bessemer pig
Correct Answer: Polyvinyl chloride plastics
Correct Answer: All of these.
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