Related Questions

Which of the following are products and services bought by final consumers for personal consumption? These include convenience products, shopping products, specialty products, and unsought products.
A Material and parts
B Consumer products
C Industrial products
D Capital items
With increase in density, the viscosity of petroleum products
A Increases
B Decreases
C Remains same
D Either A or B
In hydrofining catalytic desulphurisation process for sweetening of petroleum products, use of hydrogen
A Enhances the desulphurisation process
B Minimises coke formation
C Both A & B
D Neither A nor B
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
12 গ্রাম বিশুদ্ধ কার্বন -12 এ কার্বন পরমাণুর সংখ্যা হলো- (The number of carbon atoms in 12 g of pure carbon -12 is)
A 6.022 × 1023
B 7.226 × 1024
C 5.018 × 1022
D 3.011 × 1023
Increase in the specific gravity of petroleum products indicates
A Decrease in paraffin content
B Increase in thermal energy per unit weight
C Increase in aromatic content
D Higher H/C ratio
When the difference between mass number and atomic number of atoms of two or more elements are same, the atoms are termed as
A Isomers
B Isotopes
C Isobars
D Isotones
A fuel containing carbon and carbon monoxide (but containing no hydrogen or its compounds) is burnt in pure oxygen at constant pressure. Its gross calorific value as compared to net calorific value will be
A More
B Less
C Same
D Data insufficient; can't be predicted
The density of hydrogen is _____ times the density of air.
A 0.07
B 1.5
C 2.5
D 3.5
Hydrogen percentage (by weight) in crude petroleum may be about
A 5
B 15
C 25
D 35

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