Bit rate is the number of bits transmitted during one second whereas baud rate refers to the number of signal units per second that are required to represent those bits.
baud rate = (bit rate / N)
where N is no-of-bits represented by each signal shift.
Crude topping column operates at __________ pressure. A. atmospheric B. 10 atm C. vacuum D. 3 atm.
Pick out the correct statement pertaining to catalytic cracking. A. With increase in the reactor pressure, octane number of gasoline decreases. B. With increase in the reactor temperature, gasoline yield decreases for a given conversion. C. Percentage conversion increases with increase in the catalyst to oil ratio. D. all (a), (b) and (c)
Feedstock for polymerisation is A. naphtha. B. cracked gases rich in C2 & C4 olefins. C. low boiling aromatics. D. none of these.
Smoke point of a good burning kerosene may be around __________ mm. A. 0-5 B. 20-25 C. 60-75 D. 100-120
Quinoline is a/an __________ compound. A. sulphur B. nitrogen C. oxygen D. none of these
Which of the following is a naphthene? A. Butene B. Butadiene C. Cyclohexane D. Acetylene
Which of the following processes is used for the production of petroleum coke? A. Stabilisation B. Visbreaking C. Cracking D. Reforming
With increase in the number of carbon and hydrogen atoms in hydrocarbon molecules, the density of petroleum products A. decreases B. increases C. remains same D. unpredictable from the data
Visbreaking A. uses natural gas as feed B. is carried out at atmospheric pressure C. produces fuel oil of lower viscosity D. produces gasoline only
Hydrocracking employs A. high pressure & temperature. B. low pressure & temperature. C. high pressure and low temperature. D. high temperature and low pressure.
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