Related Questions

Turpentine oil is used in paints as
A Thinner
B Vehicle
C Base
D Drier
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
Drum X is 1/2 full of oil and drum Y, which has twice the capacity of drum X, is 2/3 full of oil. If all of the oil in drum X is poured into drum Y, then drum Y will be filled to what fraction of its capacity?
A 3/4
B 5/6
C 11/12
D 7/6
The import of crude oil and petroleum done from national oil companies of producer countries, which have a net exportable surplus of oil is by
A term contracts
B term tenders
C monthly tenders
D All the above
Mineral oils (e.g. petroleum oils) are preferred over fatty oils (e.g. mustard oil, ghee, tallow, palm oil, olive oil etc.) as a lubricant due to its
A Poor oxidation stability and high gum forming tendency
B Greater tendency of decomposition at elevated temperature
C Hydrolysis tendency in presence of water
D All of the above
In a refinery petroleum crude is fractionated into gas fraction, light ends, intermediate distillates, heavy distillates, residues and by products. The group of products including gas oil, diesel oil and heavy fuel oil belongs to the fraction
A Heavy distillates
B Intermediate distillates
C Light ends
D Residues
The average mark obtained by 15 students was 10 and the average mark obtained by 10 students was 15. What was the average mark obtained by all students?
A 10
B 8
C 12
D 15
The average mark obtained by 10 students was 6 and the average mark obtained by 6 other students was 10. What was the average mark obtained by all 16 students?
A 10
B 8
C 7.5
D 8.5
The average mark obtained by 10 students was 6 and the average mark obtained by 6 students was 10. What is the average mark obtained by all 16 students ?
A 10
B 8
C 7.5
D 8.5
The total number obtained by a student in Physics, Chemistry and Mathematics together is 120 more than the marks obtained by him in Chemistry. What is the average mark obtained by him in Physics and Mathematics together?
A 40
B 60
C 120
D Cannot be determined

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