Related Questions

A coal having high ratio of volatile matter to fixed carbon as compared to a coal having low ratio of volatile matter to fixed carbon
A Is less liable to spontaneous combustion on storage
B Is more difficult to ignite and produces a shorter flame
C Requires smaller combustion space and less secondary air
D None of these
Cylindrical storage tanks used for the storage of volatile liquids (e.g., naphtha) have __________ roofs.
A Conical
B Flat
C Floating
D Fixed
Separation of two volatile liquids by distillation makes use of their
A Selectivity
B Relative volatility
C Solubility
D Density difference
Which of the following may prove unsuitable for filtering volatile liquids?
A Pressure filter
B Gravity filter
C Centrifugal filter
D Vacuum filter
Which of the following is the lightest and most volatile liquid fuel?
A diesel
B petrol
C gasoline
D fuel oil
Which will have the least volatile matter and hence will be the most difficult to ignite?
A Bituminous coal
B Coke
C Semi-bituminous coal
D Aanthracite
Unlike most liquids, which contract when they solidify, water expands by nine percentage when it freezes.
A unlike most
B solidify
C by
D percentage
Thermal conductivities of most of the liquids __________ with rise in temperature.
A Increases
B Decreases
C Remains unchanged
D May increase or decrease; depends on the liquid
Which of the following liquids is most viscous?
A Oil
B Milk
C Water
D Petrol
Dynamic viscosity of most of the liquids with rise in temperature
A Increases
B Decreases
C Remain unaffected
D Unpredictable

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