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- Question
Acrylic is the name of
Options- A. cellulose resin
- B. alkyd resin
- C. methyl metha crylate
- D. cumarone-indene.
- Correct Answer
- methyl metha crylate
- 1. The yield strength and tensile strength of low carbon steel may be improved by the addition of
Options- A. manganese
- B. chromium
- C. nickel
- D. venadium
- E. tungsten. Discuss
- 2. The melting point of silica is :
Options- A. 1570°C
- B. 1630°C
- C. 1730°C
- D. 1850°C. Discuss
- 3. Pick up the correct statement from the following:
Options- A. Roasting is not necessary if iron ore is an oxide
- B. Impurities float on the molten iron as slag
- C. The slag contains lime about 45%
- D. The molten iron is made to run, in a long channel formed in sand called 'sow'
- E. All the above. Discuss
- 4. Upto a maximum of 72% of iron, is available in
Options- A. Magnetite
- B. Red haemetite
- C. Limonite
- D. Siderite
- E. Iron pyrites. Discuss
- 5. Duco paints are
Options- A. plastic paints
- B. cellulose paints
- C. emulsion paints
- D. bituminous paints
- E. oil paints. Discuss
- 6. Pick up the correct statement from the following:
Options- A. Rusting is caused due to combined action of air, moisture and carbon dioxide
- B. During rusting, first ferrous bicarbonates are formed
- C. On further oxidation ferrous bicarbonates get converted to ferric bicarbonates
- D. Ultimately hydrated ferric oxide is formed during rusting and carbon dioxide gets liberated
- E. All the above. Discuss
- 7. Plastic asphalt is
Options- A. used as a water proofing layer over roof
- B. a mixture of cement and asphalt
- C. a natural asphalt
- D. a refinery product. Discuss
- 8. Cast iron contains carbon approximately
Options- A. 1.5% to 5.5%
- B. 0.05% to 1.75%
- C. 0.250%
- D. none to these. Discuss
- 9. Lacquer is
Options- A. oil paint
- B. distemper
- C. spirit varnish
- D. none to these. Discuss
- 10. Whitworth compressed steel is obtained when molten steel is subjected to a pressure of
Options- A. 5 kg/mm2
- B. 9 kg/mm2
- C. 13 kg/mm2
- D. 15 kg/mm2
- E. 10 kg/mm2. Discuss
Building Materials problems
Search Results
Correct Answer: venadium
Correct Answer: 1730°C
Correct Answer: All the above.
Correct Answer: Magnetite
Correct Answer: oil paints.
Correct Answer: All the above.
Correct Answer: a mixture of cement and asphalt
Correct Answer: 1.5% to 5.5%
Correct Answer: spirit varnish
Correct Answer: 9 kg/mm2
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