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- Question
In producer gas making furnace, steam is added along with air to mainly control the
Options- A. fusion of coal ash & clinker formation.
- B. C. V. of producer gas.
- C. temperature of producer gas.
- D. tar content in producer gas.
- Correct Answer
- fusion of coal ash & clinker formation.
- 1. __________ content of the phosphate rock is the pollutant of primary interest in a phos-phatic fertiliser plant.
Options- A. Calcium
- B. Fluorine
- C. Phosphorous
- D. Sulphur Discuss
- 2. The __________ of the fluid contained in the temperature sensing element (i.e., bulb) of filled system thermometers changes with change in temperature.
Options- A. pressure
- B. volume
- C. viscosity
- D. all (a), (b) and (c) Discuss
- 3. Fusion temperature of pure silica (SiO2) is __________ °C.
Options- A. 1350
- B. 1715
- C. 2570
- D. 2800 Discuss
- 4. Rock phosphate used for the production of phosphatic fertiliser is mined at
Options- A. Amjhor (Jharkhand)
- B. Talchar (Orissa)
- C. Bailladella (M.P.)
- D. Kiriburu (Bihar) Discuss
- 5. In a single tank system, the transfer function of __________ to inlet flow rate is 1/TS+1.
Options- A. outlet flow rate
- B. level
- C. both (a) & (b)
- D. neither (a) nor (b) Discuss
- 6. 'If the catalyst pore size is small in comparison with the mean free path, collisions with the pore wall controls the process'. The diffusivity under this condition is called 'Knudsen diffusivity', which is affected by the
Options- A. pressure
- B. temperature
- C. both (a) & (b)
- D. neither (a) nor (b) Discuss
- 7. The ideal size of round bubble caps to be used in industrial distillation column having a diameter of 3-6 metres is __________ cms.
Options- A. 5
- B. 15
- C. 7.5
- D. 50 Discuss
- 8. Reaction of nitric acid and sulphuric acid with phosphate rock produces
Options- A. nitrophosphate
- B. diammonium phosphate
- C. tricresyl phosphate
- D. tributyl phosphate Discuss
- 9. Polarograph is meant for the analysis of
Options- A. gaseous mixture
- B. miscible liquids
- C. solids
- D. isotopes Discuss
- 10. Multistage operation (as in the case of catalytic oxidation of SO2) is not carried out for NH3 synthesis, because of
Options- A. comparatively higher pressure drop.
- B. high cost of the high pressure vessel used for the reactor.
- C. higher pumping cost.
- D. chances of entrainment and disturbance of catalyst bed. Discuss
More questions
Correct Answer: Fluorine
Correct Answer: all (a), (b) and (c)
Correct Answer: 1715
Correct Answer: Amjhor (Jharkhand)
Correct Answer: outlet flow rate
Correct Answer: temperature
Correct Answer: 15
Correct Answer: nitrophosphate
Correct Answer: solids
Correct Answer: high cost of the high pressure vessel used for the reactor.
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