A. 25
B. 35
C. 45
D. 65
Related Mcqs:
- 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 - Equal volumes of aniline and diesel oil when mixed at room temperature (during summer) was found to be completely miscible. It means that the aniline point of the diesel is _______________ the room temperature?
A. More than
B. Less than
C. Same as
D. Either more or less; depends on the room temperature - Diesel index (an alternative index for expressing the quality of diesel) is_______________?
A. Determined by using a test engine
B. Not related to aniline point
C. Equal to cetane number plus 3
D. All A., B. & C. - Which of the following has the lowest cetane number ?
A. Aromatics
B. i-paraffins
C. Naphthene
D. Olefins - Cetane number of alpha methyl naphthalene is assumed to be_________________?
A. 0
B. 100
C. 50
D. ∞ - Aniline point of high speed diesel may be about ____________ °C ?
A. 35
B. 70
C. 105
D. 150 - High aniline point of diesel indicates that, it _____________________?
A. Is highly aromatic
B. Has a large ignition delay
C. Is highly paraffinic
D. Has a low diesel index
