Discussion
Home ‣ Chemical Engineering ‣ Process Equipment and Plant Design See What Others Are Saying!
- Question
Where does the maximum tensile strength occur in a thick cylindrical vessel subjected to internal pressure?
Options- A. At the inner surface.
- B. At the mid thickness of the cylindrical wall.
- C. At the outer surface.
- D. None of these.
- Correct Answer
- At the inner surface.
- 1. Chromite refractories are used in
Options- A. bottom of soaking pits.
- B. between acid & basic linings in basic open hearth furnaces to prevent their chemical action with each other.
- C. both (a) & (b)
- D. neither (a) and (b) Discuss
- 2. If 1 Nm3 of O2 contains 'N' number of molecules, then number of molecules in 2Nm3 of SO2 will be
Options- A. N
- B. N/2
- C. 2N
- D. 4N Discuss
- 3. Choose the correct statement.
Options- A. Coking tendency increases with increasing molecular weight.
- B. Coking tendency decreases with increasing molecular weight.
- C. Higher pressure enhances coke formation.
- D. Coking is an exothermic reaction. Discuss
- 4. Pure bauxite is the best raw material for the manufacture of high alumina refractories, in which maximum alumina content can be as high as __________ percent.
Options- A. 55
- B. 70
- C. 80
- D. 90 Discuss
- 5. Vertical storage vessels are never supported by __________ support.
Options- A. bracket
- B. saddle
- C. skirt
- D. lug Discuss
- 6. Maximum permissible concentration (i.e. TLV) of DDT in public water supply system is __________ micro gram (? g)/litre.
Options- A. 2
- B. 42
- C. 332
- D. 1050 Discuss
- 7. Sulphur content in lighter and heavier petroleum products is generally determined respectively by
Options- A. lamp method and bomb method.
- B. bomb method and lamp method.
- C. bomb method and quartz tube method.
- D. quartz tube method and lamp method. Discuss
- 8. Permeability of bricks is a measure of the
Options- A. refractoriness.
- B. melting point.
- C. rate at which a fluid will pass through the pores.
- D. expansion during heating. Discuss
- 9. Pyrometric cone equivalent (PCE) of a refractory is the measure of its
Options- A. spalling resistance.
- B. fusion point.
- C. resistance to slag penetration.
- D. resistance to carbon monoxide attack. Discuss
- 10. An azeotropic solution of two liquids has boiling point lower than either of them, when it
Options- A. is saturated.
- B. is unsaturated.
- C. shows negative deviation from Raoult's law.
- D. shows positive deviation from Raoult's law. Discuss
More questions
Correct Answer: both (a) & (b)
Correct Answer: 2N
Correct Answer: Coking tendency increases with increasing molecular weight.
Correct Answer: 90
Correct Answer: saddle
Correct Answer: 42
Correct Answer: bomb method and lamp method.
Correct Answer: rate at which a fluid will pass through the pores.
Correct Answer: fusion point.
Correct Answer: shows positive deviation from Raoult's law.
Comments
There are no comments.More in Chemical Engineering:
Programming
Copyright ©CuriousTab. All rights reserved.