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- Question
The heat capacity of a solid compound is calculated from the atomic heat capacities of its constituent elements with the help of the
Options- A. Trouton's rule
- B. Kopp's rule
- C. Antonie equation
- D. Kistyakowsky equation
- Correct Answer
- Kopp's rule
- 1. Pick out the wrong statement.
Options- A. A pale color of petroleum product indicates lower viscosity.
- B. Color of petroleum products indicates the degree of refinement.
- C. Lighter petroleum distillates are lighter in color than the heavier residual oils.
- D. Flouroscene of oils helps to detect its adulteration. Discuss
- 2. Water content in the crude oil as it comes out of oil well may be upto __________ percent.
Options- A. 2
- B. 5
- C. 10
- D. 25 Discuss
- 3. P2O5 content in superphosphate is about __________ percent.
Options- A. 30-35
- B. 15-20
- C. 65-70
- D. 85-90 Discuss
- 4. A multigrade lubricating oil means an oil having high
Options- A. viscosity index
- B. viscosity
- C. aniline point
- D. flash point Discuss
- 5. Inhalation of silica dust by human being during hand drilling in mica mining, lead & zinc mining, silica refractory manufacture and in foundaries causes
Options- A. asphyxiation (suffocation).
- B. shortness of breath.
- C. tuberculosis.
- D. all (a), (b) and (c). Discuss
- 6. Ethyl mercaptan is added to the Doctor negative LPG for facilitating the detection of its leakage (by bad odour) to the extent of about __________ ppm.
Options- A. 1
- B. 50
- C. 5000
- D. 10000 Discuss
- 7. A machine has an initial value of Rs. 5000, service life of 5 years and final salvage value of Rs. 1000. The annual depreciation cost by straight line method is Rs.
Options- A. 300
- B. 600
- C. 800
- D. 1000 Discuss
- 8. Pick out the wrong statement.
Options- A. Alkylation produces a larger iso-paraf-fin (having higher octane number) from the reaction of an olefin with smaller iso-paraffin.
- B. Catalytic alkylation processes use HF, AlCl3 & H2SO4 as Catalysts.
- C. All the alkylation processes use very high temperature (> 1000°C).
- D. Gasoline having an octane number of 90 can be produced by alkylation process. Discuss
- 9. Reinglemann chart is used for the measurement of the
Options- A. combustibles present in automobile exhaust.
- B. smoke density from a chimey.
- C. exhaust gas density.
- D. flue gas temperature. Discuss
- 10. Iso-octane is used as a reference substance in the definition of octane number and it is assigned an octane number value of 100. Iso-octance is chemically known as
Options- A. ?-methyl naphthalene.
- B. 2-2-4 tri methyl pentane.
- C. 1, 3 butadiene.
- D. tetra methyl ethylene. Discuss
More questions
Correct Answer: A pale color of petroleum product indicates lower viscosity.
Correct Answer: 25
Correct Answer: 15-20
Correct Answer: viscosity index
Correct Answer: all (a), (b) and (c).
Correct Answer: 50
Correct Answer: 800
Correct Answer: All the alkylation processes use very high temperature (> 1000°C).
Correct Answer: smoke density from a chimey.
Correct Answer: 2-2-4 tri methyl pentane.
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