When the relative humidity is 50 percent and air temperature is 30°C, a cooling of air mass: [NDA 1990]

Related MCQs

• High mean temperature, high relative humidity and heavy rainfall (well distributed all over the year) are the characteristic features of the: [NDA 1990]
• The portion of the atmosphere which extends from the earth's surface upto 6-8 miles and experiences decrease in temperature at constant rate is : [NDA 1990]
• Although the equatorial regions have the highest annual average temperatures, the salinity in the oceans is highest near the tropics because: 1. equatorial areas receive heavy rainfall 2. salinity is not affected by temperature 3. equatorial oceans experience a lot of turbulenees 4. high relative humidity in equatorial areas checks evaporation
• The relative humidity or the atmospheric air
• The instrument used for measuring relative humidity in air is :
• Winter temperature ranging from - 29° C to - 40° C, summer temperature about 10° C, total annual precipitation about 25 cm. and low humidity. These characterise the climate.
• Which of the following are true with regard to temperature control of the atmosphere of a given place? 1. The major temperature contrasts on earth's surface are between land masses and oceans 2. During night, the water surface cools more rapidly than the land surface 3. Temperature generally decreases with latitude on either side of the equator 4. Temperature rises to a maximum during summer and falls to a minimum during winter
• Atmospheric humidity is measured by: [NDA 1994]
• Comets revolve around: [NDA 1990]
• Earthquakes rarely occur in: [NDA 1990]