A. 4
B. 3
C. 2
D. 1
Related Mcqs:
- True vapour pressure of a petroleum fraction ________________ Reid vapour pressure?
A. Is less than
B. Is more than
C. Is same as
D. May be either more or less than - 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 - Reid vapour pressure of gasoline is the measure of its_________________?
A. Pour point
B. Cloud point
C. Vapour locking tendency
D. Carbon residue - Testing of the knocking characteristics of petrofuels is done in a _________________ engine ?
A. Carnot
B. CFR (Co-operative fuel research)
C. Stirling
D. Diesel - 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 - 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 - Performance number of a liquid fuel is related to its __________________?
A. Wax content
B. Spontaneous ignition temperature
C. Knocking tendency
D. Sulphur content - True boiling point apparatus is used for the__________________?
A. Determination of characterisation factor
B. Evaluation of oil stocks
C. Determination of true vapour pressure
D. None of these - Flash point of atmospheric distillation residue is determined by ______________ apparatus?
A. Pensky-Martens (closed cup type)
B. Abel
C. Cleveland (open cup type)
D. None of these - During electrical desalting of crude oil, the electrical conductivity of a mixture of crude oil and water (which ranges between 3 to 8% water) ________________ with increase in the amount of water?
A. Decreases
B. Increases
C. Remains unchanged
D. Decreases linearly
