A. minimum temperature to which oil is heated in order to give off inflammable vapours in sufficient quantity to ignite momentarily when brought in contact with a flame
B. temperature at which it solidifies or congeals
C. it catches fire without external aid
D. indicated by 90% distillation temperature i.e., when 90% of sample oil has distilled off
E. temperature at which it flows easily
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Related Mcqs:
- The pour point of diesel oil must be_________________?
- A. lower than the coldest atmospheric temperature at which oil is to be pumped B. higher than above C. has no such relation D. more than 100°C E. none of the above...
- The specific fuel consumption for a petrol engine first decreases with increase in fuel air ratio and then increases with further increase in fuel air ratio. The minimum value occurs in the range of__________________?
- A. lean mixture B. chemically correct mixture C. rich mixture D. unpredictable E. none of the above...
- Which is correct statement about reaction time for autoignition of fuel and the fuel air ratio__________________?
- A. lean mixture has high reaction time B. rich mixture has high reaction time C. chemically correct mixture has mini-mum reaction time D. all of the above E. non of the above...
- Auto-ignition reaction time for petrol engine first decreases with increase in fuel air ratio, reaches a minimum value and then increases with subsequent increase in fuel air ratio. The minimum value occurs in the region of________________?
- A. Lean mixture B. Chemically correct fuel air ratio C. Rich mixture D. Unpredictable...
- The m.e.p. of a petrol engine first increases as the fuel air ratio is increased and then decreases on further increase in fuel air ratio. The M.E.P is maximum in the zone of________________?
- A. lean mixture B. chemically correct mixture C. rich mixture D. unpredictable E. none of the above...
- Fuel oil consumption guarantees for I .C. engine are usually based on__________________?
- A. low heat value of oil B. high heat value of oil C. net calorific value of oil D. calorific value of fuel E. all of the above...
- Flash point of fuel oil is __________________?
- A. minimum temperature to which1 oil is heated in order to give off inflammable vapours in sufficient quantity to ignite momentarily when brought in contact with a flame B. temperature at which it solidifies or congeals C. temperature at which it catches fire without external aid D. indicated by 90% distillation temperature, i.e. when 90%...
- Volatility of diesel fuel oil is_________________?
- A. minimum temperature to which oil is heated in order to give off inflammable vapours in sufficient quantity to ignite momentarily when brought in contact with a flame B. temperature at which it solidifies or congeals C. it catches fire without external aid D. indicated by 90% distillation temperature, i.e., when 90% of sample oil...
- Ignition quality of diesel-fuel oil is expressed by an index called__________________?
- A. octane number B. cetane number C. calorific value D. carbon content E. ignition temperature...
- A heat engine utilises the_________________?
- A. calorific value of oil B. low heat value of C. high heat value of oil D. mean heat value of oil E. all of the above...
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