A. Wax content
B. Spontaneous ignition temperature
C. Knocking tendency
D. Sulphur content
Related Mcqs:
- Absolute vapor pressure of petrofuels is found by Reid bomb which is heated in water bath to 100°F. In Reid apparatus, the ratio of the volume of air chamber to that of the liquid fuel chamber is________________?
A. 4
B. 3
C. 2
D. 1 - Liquefied Petroleum Gas (LPG) in domestic use cylinders is in the liquid form. The density of LPG in liquid form is about ________________ of that of water (i.e. 1 gm/c.c)?
A. One fourth
B. One third
C. Half
D. One eighth - Casing head gasoline is the liquid __________________?
A. Butane
B. Propane
C. Natural gas
D. Gasoline separated from wet natural gas by compression - In case of liquid petrofuels, momentary combustion is observed at its ________________________?
A. Flash point
B. Preheating temperature corresponding to viscosity of 25 centistokes
C. Flame temperature
D. Fire point - 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 - The most important property for a jet fuel is its________________?
A. Viscosity
B. Freezing point
C. Calorific value
D. Flash point - Cetane number of a diesel fuel is the measure of its____________________?
A. Ignition delay
B. Smoke point
C. Viscosity
D. Oxidation stability - Maximum viscosity of tar/PCM/fuel oil for easy and efficient atomisation in conventional burner is _______________ centistokes (or 100 Redwood I seconds) ?
A. 5
B. 25
C. 50
D. 100 - The average boiling point of aviation turbine fuel is closest to that of__________________?
A. Lubricating oils
B. LPG
C. Diesel
D. Kerosene - Crude petroleum oil is a _______________ fuel?
A. Primary
B. Fossil
C. Both A. & B.
D. Secondary
