A. Time after which smoking starts on burning
B. Temperature at which smoking starts
C. Maximum height of flame (in mm) without causing smoking, when burnt in a standard lamp
D. None of these
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Related Mcqs:
- Char value of Kerosene is the amount of charred oil deposition on the wick obtained after burning it in a standard wick lamp at a standard rate for 24 hours. Char value of a good quality kerosene should be less than ________________ mg/kg of kerosene?
- A. 1 B. 20 C. 100 D. 500...
- Smoke point of a test sample of kerosene is found to be 15 mm. On removal of ________________ from it, the smoke point rises to 25 mm?
- A. n-paraffins B. Olefins C. Aromatics D. None of these...
- Raw Kerosene has a smoke point of 15 mm. After it is subjected to dearomatization by liquid SO2 extraction (Edeleanu process), its smoke point may become _______________________ mm?
- A. 5 B. 10 C. 25 D. 100...
- Smoke point of a good burning kerosene may be around _______________ mm?
- A. 0-5 B. 20-25 C. 60-75 D. 100-120...
- Smoke point of kerosene expresses its__________________?
- A. Burning characteristics B. Luminosity characteristics C. Aromatic content directly D. Lamp wick wetting characteristics...
- Smoke volatility index is equal to smoke point plus______________________?
- A. 0.42 × (% distilled at 204°C) B. 5 mm C. 0.84 × (% distilled at 204°C) D. 10 mm approximately...
- Flash point of diesel/kerosene (>50°C) is determined by the_______________?
- A. Abel apparatus B. Pensky-Martens apparatus C. Saybolt chromometer D. None of these...
- Good quality kerosene should have__________________?
- A. Low smoke point B. High smoke point C. High aromatics content D. Low paraffins content...
- A typical yield of kerosene in straight run distillation of crude oil may be about __________________ percent?
- A. 4 B. 10 C. 18 D. 26...
- Which is the most desirable component of a good quality kerosene ?
- A. i-paraffins B. Aromatics C. n-paraffins D. Naphthenes...
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