Related Questions

After the increase of price of oil by 40%, a family decided to reduce its oil consumption so that the expenditure for oil goes up by 26% only. If the total consumption of oil before the price rise was 10 kg per month, then what is the current consumption of oil per month (in kg)?
A 8
B 8.50
C 9
D None of these
Vacuum maintained in the vacuum distillation tower of the crude distillation plant is about __________ mm Hg (absolute).
A 5-10
B 30-80
C 150-250
D 350-400
Timothy leaves home for school, riding his bicycle at a rate of 9 miles per hour. Fifteen minutes after he leaves, his mother sees a Timothy's math homework lying on his bed and immediately leaves home to bring it to him. If his mother drives at 36 miles per hour, how far (in terms of miles) must she drive before she reaches Tmothy?
A 1/3
B 4
C 3
D 12
Ms. Rahena needs to get from Town C. The only was to get Town C is taka a bus from Town A to Town B and then take a train from Town B to C. The bus leaves Town A at 8.00 am and reaches Town b after 212 hours. The first train leaves Town B at 9.00 am and then there is a train every 50 minutes. The train reaches Town C 40 minutes after its departure . If Ms. Rehana leaves Town A at 8.00 am, When is the earliest she would arrive at Town C?
A 11:10 am
B 11.20 am
C 12.00 noon
D 10.30 am
Polar organic compounds are normally used as separating agents for the azeotropic and extractive distillation. Which of the following is the most important factor to be considered for the choice of the separating agent for extractive distillation?
A Cost
B Availability
C Toxicity
D Selectivity
If the amount of the steam used in steam distillation is increased, the temperature of distillation
A Increases
B Decreases
C Remains unchanged
D Depends on relative volatility
Solvent extracted oil
A Has low free fatty acid content
B Is odourless
C Has more of unsaturates
D None of these
Light oil whose major component is benzol, is obtained by the distillation of crude tar in the temperature range of __________ °C.
A 80-170
B 200-300
C 250-270
D 280-300
Vacuum maintained in the vacuum distillation column in oil refinery is in the range of about __________ mm Hg absolute.
A 1 to 5
B 30 to 80
C 250 to 350
D 450 to 500
A typical yield of diesel in straight run distillation of crude oil may be about __________ percent.
A 8
B 18
C 28
D 35

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