Fri. Jan 10th, 2025

Humidity

  1. The difference between humidity capacity and absolute humidity of a given volume of an air at given temperature and time is called

    Options:
    1. Unsaturation deficit
    2. Saturation deficit
    3. Humidity deficit
    4. Water deficit

    Option: B

  2. Which of the following is/are correct?

    1. The temperature at which the given air is saturated is called dew point.
    2. dew point decreases with increasing altitude
    Options:
    1. Neither A nor B
    2. Both A and B
    3. Only B
    4. Only A

    Option: B

  3. The rate of decreasing dew point with increasing altitude is

    Options:
    1. 2° C per 1000 meters
    2. 6.5° C per 1000 meters
    3. 5.5° C per 1000 meters
    4. 10° C per 1000 meters

    Option: A

  4. The total weight of water vapour per unit volume of air at definite temperature is called absolute humidity

    Options:
    1. Specific Humidity
    2. Relative Humidity
    3. Absolute humidity
    4. Vapour Pressure

    Option: C

  5. The mass of water vapour in gram contained in a kilogram of moist air is called

    Options:
    1. Relative Humidity
    2. Absolute humidity
    3. Vapour Pressure
    4. Specific Humidity

    Option: D

  6. The ratio of the amount of water vapour actually presents in the air having definite volume and temperature to the maximum amount the air can hold is known as

    Options:
    1. Absolute humidity
    2. Relative Humidity
    3. Vapour Pressure
    4. Relative Humidity

    Option: B

  7. Which of the following is/are correct?

    1. Generally, absolute humidity does not change with increase or decrease of temperature.
    2. Specific humidity is directly proportional to vapour pressure.
    3. There is an inverse relationship between air temperature and relative humidity.
    Options:
    1. Only A and C
    2. Only A and B
    3. Only A
    4. All of the above

    Option: D

  8. The unit of absolute humidity is

    Options:
    1. Gram per cubic feet
    2. Gram per cubic meter
    3. Grams per kilogram
    4. Percent

    Option: B

  9. Relative humidity is measured in

    Options:
    1. Percent
    2. Grams per kilogram
    3. Gram per cubic meter
    4. Gram per cubic feet

    Option: A

  10. The unit of specific humidity is

    Options:
    1. Gram per cubic meter
    2. Gram per cubic feet
    3. Grams per kilogram
    4. None of the above

    Option: C

  11. The air is said to be saturated when

    Options:
    1. Humidity capacity and absolute humidity of the air are same
    2. Humidity capacity is greater than absolute humidity of the air
    3. Relative humidity is less than 50 percent
    4. None of the above fulfil required condition

    Option: A

  12. Which of the following is/are correct?

    1. The absolute humidity increases due to addition evaporation
    2. The amount of evaporation also depends upon relative humidity
    3. Evaporation increases with high relative humidity
    Options:
    1. Only A and C
    2. Only A and B
    3. Only C
    4. All of the above

    Option: B

  13. Which of the following is not correct?

    Options:
    1. Relative humidity is directly related to Human health and comfort
    2. Relative humidity affects stability of different objects, buildings, radio etc
    3. With decrease of air temperature humidity capacity also decreases
    4. Evaporation decreases with low relative humidity

    Option: D

  14. Which of the following is not correct?

    Options:
    1. The relative humidity become minimum between the latitude of 25° - 35° inboth the hemisphere
    2. Maximum relative humidity is found during summer season between 30° N and 30° N and 30° S latitude
    3. High latitude records relative humidity more than average valueduring winter
    4. Equatorial regions are characterized by lowest relative humidity

    Option: D