Related Questions

A metal with specific gravity of 'a' floating in a fluid of same specific gravity 'a' will
A Sink to bottom
B Float over fluid
C Partly immersed
D Be fully immersed with top surface at fluid surface
A metal with specific gravity of o floating in a fluid of same specific gravity a will
A sink to bottom
B float over fluid
C partly immersed
D be fully immersed with top surface at fluid surface
Hydrometer measures the specific gravity of liquids based on the principles of buoyancy. Pycnometer is used to measure the specific gravity of
A Powder & grannular solids
B Liquids
C Low melting point semi-solids
D All of the above
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
Refractive index of a petrofuel which is the ratio of velocity of light in air to its velocity in the petrofuel gives an indication if its
A Molecular weight
B Aromatics content
C Both A & B
D Neither A nor B
Scheme-1: C6H5N2Cl→CuCNC6H5CN→H2o/H+C6H5COOH→∆Product-I Scheme-2: C6H5NO2→Fe/HCLC6H5NH2→N2NO3+HCL, 273KC6H5N2Cl→H2O/H+Product-II Scheme-3: CH3COOH→NH3CH3CONH2→NaOBrProduct-III উল্লিখিত Scheme সমূহে Product-I, Product-II এবং Product-III হলো যথাক্রমেঃ
A C6H5COONH4, C6H5Cl and CH3OH
B C6H5CONH2, C6H5NH2 and CH3OH
C C6H5CONH2, C6H5NH2 and CH3NH2
D C6H5CONH2, C6H5OH and CH3OH
Dew point temperature always gives an indication of the __________ of the moist air.
A Dryness
B Moisture content
C Coolness
D Latent heat
Flash point of a liquid petroleum fuel gives an idea about its
A Volatility
B Explosion hazards characteristics
C Nature of boiling point diagram
D All of the above
A manufacturer sells three products i.e. A, B and C. Product A cost 200 and sells for 250, Product B costs 150 and sells for 180, Product C costs 100 and sells for 110. On which product, he has maximum percentage of profit?
A B only
B A and B both
C A only
D C only
A manufacturer sells three products i.e A, B C. Product A costs 200 and sells for 250, product B costs 150 and sells for 180, Product C cost 100 and sells for 110. On which product, he has maximum percentage of profit?
A B only
B A and B both
C A only
D C only

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