Related Questions

Steam economy is defined as the amount of evaporation per unit amount of steam used, while the capacity is the total evaporation obtained per hour. Use of multiple effect in evaporation
A Increases capacity
B Increases economy
C Does not affect the capacity
D Both B & C
The suitable conditions in which the rate of evaporation occurs more fastly are
A Low speed of wind
B High humidity
C Low humidity and high temperature
D Excess amount of water in the soil
'Evaporation' is the 'process that' a liquid turns 'into' a vapor at a temperature below its 'boiling pint'
A Evaporation
B process that
C into
D boiling pint
Find out which quotation of the following sentences has an error. 'Evaporation' is the 'process that' a liquid turns 'into' a vapor at a temperature below its 'boiling point'.
A evaporation
B process that
C into
D boiling point
He urged to take particular care of the ------ chemicals to prevent their evaporation?
A insoluble
B superficial
C extraneous
D volatile
What is the anyonym of the word. Evaporation?
A dry
B heating
C humidity
D wetting
The state of a substance whose evaporation from its liquid state is complete, is known as
A Perfect gas
B Vapour
C Steam
D Air
If B and d are the bed width and depth of a channel in meters, the combined losses due to evaporation and seepage in cumecs per kilometer length of the channel, is
A $$\frac{1}{{50}} \times {\left( {{\text{B}} + {\text{d}}} \right)^{\frac{2}{3}}}$$
B $$\frac{1}{{100}} \times {\left( {{\text{B}} + {\text{d}}} \right)^{\frac{2}{3}}}$$
C $$\frac{1}{{150}} \times {\left( {{\text{B}} + {\text{d}}} \right)^{\frac{2}{3}}}$$
D $$\frac{1}{{200}} \times {\left( {{\text{B}} + {\text{d}}} \right)^{\frac{2}{3}}}$$
Under the same conditions, which of the following shapes of water surface will give the highest rate of evaporation ?
A flat water surface
B convex water surface
C concave water surface
D independent of shape of water surface
Number of evaporators which can be used in service in a multiple effect evaporation system is limited by the
A Practical limit reached, due to low heat transfer rate because of inadequate temperature difference
B Economic limit reached, when the plant cost exceeds the saving of steam
C Both A & B
D Neither A nor B

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