Discussion
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- Question
A suitable material of construction to use with fuming sulphuric acid is
Options- A. carbon steel
- B. stainless steel type 304
- C. nickel
- D. monel
- Correct Answer
- monel
- 1. Liquid ammonia is shipped in __________ containers.
Options- A. steel
- B. aluminium
- C. glass
- D. lead lined Discuss
- 2. 18/8 steel is a/an __________ stainless steel.
Options- A. austenitic
- B. ferritic
- C. martensitic
- D. none of these Discuss
- 3. Softness of silver can be converted into hardness by alloying it with small quantity of
Options- A. copper & nickel
- B. zinc
- C. aluminium
- D. tin Discuss
- 4. Austenitic manganese steel used for making jaws of crushing machines contains about __________ percent manganese.
Options- A. 1.5-2
- B. 3.5-4.5
- C. 7-9
- D. 12-14 Discuss
- 5. The addition of antimony in tin-based alloys improves its
Options- A. rupture strength and hot hardness.
- B. impact strength and bonding strength.
- C. deformation resistance.
- D. wear resistance. Discuss
- 6. The hardest material just prior to diamond in Mho's scale is
Options- A. topax
- B. carborundum
- C. corrundum
- D. calcite Discuss
- 7. Chlorination of benzene is done to produce benzene hexachloride (a pesticide) in a photochemical reactor lined with
Options- A. karbate
- B. lead or glass
- C. fireclay bricks
- D. PVC Discuss
- 8. Addition of __________ to the steel helps in increasing the residual magnetism in steel used for making magnets.
Options- A. chromium
- B. nickel
- C. tungsten
- D. cobalt Discuss
- 9. Residual magnetism in steel for magnets is increased by the addition of
Options- A. nickel
- B. cobalt
- C. tungsten
- D. chromium Discuss
- 10. Constituents of stellite are
Options- A. zinc, copper and nickel.
- B. cobalt, chromium and tungsten.
- C. zinc, aluminium and nickel.
- D. nickel, cobalt and vanadium. Discuss
Materials and Construction problems
Search Results
Correct Answer: glass
Correct Answer: austenitic
Correct Answer: copper & nickel
Correct Answer: 12-14
Correct Answer: deformation resistance.
Correct Answer: corrundum
Correct Answer: lead or glass
Correct Answer: cobalt
Correct Answer: cobalt
Correct Answer: cobalt, chromium and tungsten.
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