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- Question
(CH3 C6 H4)3 PO4 is the chemical formula of
Options- A. triple superphosphate
- B. tricresyl phosphate
- C. flourapatite
- D. superphosphate
- Correct Answer
- tricresyl phosphate
- 1. The monomer of natural rubber is
Options- A. DMT
- B. isoprene
- C. 2 methyl-1-propene
- D. both (b) and (c) Discuss
- 2. Pick out the correct statement.
Options- A. Paraffins have higher octane number than corresponding iso-paraffin.
- B. Paraffins have lower smoke point than aromatics.
- C. Suitability of kerosene as a fuel & as an illuminant may be determined by char value test.
- D. Aviation fuel should have very high cloud point. Discuss
- 3. The second underground nuclear test was conducted by India at
Options- A. Jaisalmer
- B. Pokhran
- C. Kalpakkan
- D. Narora Discuss
- 4. The steam ejector is used to
Options- A. remove condensate from the steam pipelines.
- B. create vacuum.
- C. superheat the steam.
- D. none of these. Discuss
- 5. Which of the following crystal structures characterises the austenitic stainless steel?
Options- A. Simple hexagonal
- B. Body centred cubic
- C. Face centred cubic
- D. None of these Discuss
- 6. If the interest rate of 10% per period is compounded half yearly, the actual annual return on the principal will be __________ percent.
Options- A. 10
- B. 20
- C. >20
- D. < 20 Discuss
- 7. High __________ is an undesirable property for a good refrigerant.
Options- A. specific heat
- B. latent heat of vaporisation
- C. viscosity
- D. specific vapor volume Discuss
- 8. Indian monazite sand contains __________ percent thorium.
Options- A. 10
- B. 25
- C. 60
- D. 90 Discuss
- 9. Which of the following constituents present in petroleum is responsible for ash formation?
Options- A. Nitrogen compounds
- B. Organometallic compounds
- C. Sulphur compounds
- D. Oxygen compounds Discuss
- 10. In packed towers provided with saddle packing, liquid redistributors are positioned at every __________ times column diameter or 6 metres whichever is less.
Options- A. 2-3
- B. 5-8
- C. 10-15
- D. 20-25 Discuss
More questions
Correct Answer: both (b) and (c)
Correct Answer: Paraffins have lower smoke point than aromatics.
Correct Answer: Pokhran
Correct Answer: create vacuum.
Correct Answer: Face centred cubic
Correct Answer: >20
Correct Answer: viscosity
Correct Answer: 10
Correct Answer: Sulphur compounds
Correct Answer: 5-8
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