Chemical Engineering Basics problems
- 1. Maximum amount of thermal radiation is emitted at all wavelengths at any specified temperature by a/an __________ body.
Options- A. grey
- B. black
- C. opaque
- D. white Discuss
Correct Answer: grey
- 2. A high pressure boiler generates steam at a pressure greater than __________ kg/cm2 .
Options- A. 10
- B. 30
- C. 50
- D. 80 Discuss
Correct Answer: 80
- 3. Transformation range for ferrous material is the temperature interval during which __________ is formed during its heating.
Options- A. cementite
- B. austenite
- C. martensite
- D. pearlite Discuss
Correct Answer: austenite
- 4. Copper deposits are found in India at the following location:
Options- A. Kudremukh
- B. Kolar
- C. Khetri
- D. Ramagundam Discuss
Correct Answer: Khetri
- 5. Wrought iron is never shaped by
Options- A. casting
- B. cold working
- C. forging
- D. welding Discuss
Correct Answer: casting
- 6. Nuclear fission of one atom of uranium-235 produces the energy equivalent to about __________ MeV.
Options- A. 20
- B. 200
- C. 500
- D. 1000 Discuss
Correct Answer: 200
- 7. Which of the following fastening devices has a head at one end and a nut fitted to the other?
Options- A. Bolt
- B. Stud
- C. Top bolt
- D. None of these Discuss
Correct Answer: Stud
- 8. Titanium alloys are welded using the Following process:
Options- A. TIG welding.
- B. Submerged arc welding.
- C. Butt welding.
- D. Electron beam welding. Discuss
Correct Answer: TIG welding.
- 9. Speisses is a mixture of the following:
Options- A. Arsenides of heavy metals.
- B. Antimonides of heavy metals.
- C. Arsenides & antimonides of heavy metals.
- D. Iron, cobalt and nickel. Discuss
Correct Answer: Arsenides of heavy metals.
- 10. Powder metallurgy process does not make metal powder by
Options- A. atomisation
- B. grinding/milling
- C. hammering
- D. electrolytic deposition Discuss
Correct Answer: hammering
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