Climate and Weather NDA Questions

NDA Physical Geography

Climate and Weather MCQ Questions


7.
The temperature at which saturation occurs in a given sample of air is known as:
A.
Latent heat point
B.
Dew point
C.
Lapse rate
D.
Freezing point
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ANSWER :
B. Dew point
8.
The capacity of air to hold water vapour depends entirely on which factor?
A.
Its altitude only
B.
Its temperature
C.
Its pressure only
D.
Its colour
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ANSWER :
B. Its temperature
9.
Evaporation is the process by which water is transformed from:
A.
Solid to liquid state
B.
Liquid to solid state
C.
Gaseous to liquid state
D.
Liquid to gaseous state
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ANSWER :
D. Liquid to gaseous state
10.
What is the main driving cause of evaporation?
A.
Wind direction
B.
Pressure
C.
Gravity
D.
Heat
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ANSWER :
D. Heat
11.
The amount of heat energy required to convert a unit mass of liquid into vapour without a change in temperature is known as:
A.
Radiant heat
B.
Specific heat capacity
C.
Latent heat of vaporisation
D.
Sensible heat
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ANSWER :
C. Latent heat of vaporisation
12.
Which factor increases both the absorption and retention capacity of a parcel of air for water vapour?
A.
Increase in pressure
B.
Decrease in wind movement
C.
Increase in temperature
D.
Decrease in temperature
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ANSWER :
C. Increase in temperature