⟩ List the categories of multiplexing?
☛ Frequency Division Multiplexing (FDM)
☛ Time Division Multiplexing (TDM)
1: Synchronous TDM
2: ASynchronous TDM Or Statistical TDM.
☛ Wave Division Multiplexing (WDM)
☛ Frequency Division Multiplexing (FDM)
☛ Time Division Multiplexing (TDM)
1: Synchronous TDM
2: ASynchronous TDM Or Statistical TDM.
☛ Wave Division Multiplexing (WDM)
Flash point of an oil gives an idea of the A. nature of boiling point diagram of the system. B. amount of low boiling fraction present. C. explosion hazards. D. all (a), (b) and (c)
Illuminating characteristics of kerosene is expressed by its A. smoke point B. aniline point C. luminosity number D. aromatic content
Solvent used in duo-sol extraction for lube oil upgradation is a mixture of A. propane & phenol-cresol mixture. B. methyl ethyl ketone & glycol. C. phenol & furfural. D. propane & liquid sulphur dioxide.
The octane number of aviation gasoline may be A. 79 B. 87 C. 97 D. >100
For gasoline, the flash point (<50°C) is determined by the A. Abel apparatus. B. Pensky-Marten's apparatus. C. Saybolt chromometer. D. none of these.
Flash point of atmospheric distillation residue is determined by __________ apparates. A. Pensky-Martens (closed cup type). B. Abel. C. Cleveland (open cup type) D. none of these.
The colour of gasoline is an indication of its A. octane number. B. lead susceptibility. C. gum forming tendency & thoroughness of refining. D. none of these.
__________ converts n-paraffins to i-paraffins. A. Alkylation B. Polymerisation C. Isomerisation D. none of these
In the atmospheric pressure crude distillation, the content of __________ from lighter fraction to heavier ones. A. sulphur increases B. sulphur decreases C. nitrogen decreases D. none of these
Catalytic desulphurisation process used for sweetening of straight run gasoline and kerosene uses __________ as catalyst. A. bauxite B. fuller's earth C. activated clay D. all (a), (b) & (c)