⟩ Describe flow control?
Flow control refers to a set of procedures used to restrict the amount of data that the sender can send before waiting for acknowledgment.
Flow control refers to a set of procedures used to restrict the amount of data that the sender can send before waiting for acknowledgment.
Most commonly used crude heater before the fractionation tower in a refinery is the __________ heater. A. electric immersion B. pipestill C. steam coil D. none of these
Pour point and freezing point is equal for A. petrol B. diesel C. water D. crude petroleum
Maximum sulphur percentage in low sulphur heavy stock (LSHS) furnace oil is about A. 0.1 B. 1 C. 2.5 D. 3.5
Which of the following fractions of a crude oil will have the maximum gravity API (i.e. °API)? A. Diesel B. Gasoline C. Atmospheric gas oil D. Vacuum gas oil
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.