A. 0
B. 100
C. 50
D. ∞
Related Mcqs:
- Solvent deoiling process is used for separating oil and soft wax from hard wax. Methyl isobutyl ketone and methyl ethyl ketone (MEK) are two commonly used deoiling solvents. Use of former as the deoiling solvent has the advantages of the____________________?
A. Elimination of solvent drying facility
B. Higher nitration temperature
C. Lower solvent dilution ratio
D. All A., B. & C. - Octane number of n-heptane is assumed to be_________________?
A. 100
B. 0
C. 70
D. ∞ - Which of the following has the lowest cetane number ?
A. Aromatics
B. i-paraffins
C. Naphthene
D. Olefins - Diesel used in naval applications has a minimum cetane number of ___________________?
A. 25
B. 35
C. 45
D. 65 - Cetane number of a diesel fuel is the measure of its____________________?
A. Ignition delay
B. Smoke point
C. Viscosity
D. Oxidation stability - Which of the following is an additive used for improving the cetane number of diesel ?
A. Tetraethyl lead
B. Tetramethyllead
C. Ethyl nitrate or acetone
D. None of these - Cetane number of high speed diesel must be ≥_________________?
A. 30
B. 45
C. 75
D. 95 - Cetane number of diesel used in trucks may be about __________________?
A. 50
B. 14
C. 35
D. 85 - Methyl tertiary butyl ether (MTBE), a high octane (octane no. = 115) gasoline blending component is produced by the simple additive reaction of isobutylene with __________________?
A. Methyl alcohol
B. Ethyl alcohol
C. Methane
D. Ethane - Straight run petrol as compared to methyl/ethyl alcohol has_________________?
A. Lower calorific value
B. Lower octane number
C. Higher specific gravity
D. Higher ignition temperature
