Thu. Jan 9th, 2025

Temperature

  1. The freezing point (ice point) for Fahrenheit scale is

    Options:
    1. 0°
    2. -32°
    3. 32°
    4. 37.6°

    Option: C

  2. Which of the following statements is/are correct:

    1. Temperature refers to the degree of hotness of a substance
    2. Temperature is a measure of the quantity of energy or heat per unit volume of the substance of a body
    3. Heat is a form of energy while temperature denotes the intensity of hotness or coldness of any substance
    4. Temperature of any substance may be raised or lowered with the addition or subtraction of heat
    Options:
    1. 1 and 3
    2. only 1
    3. 1, 2 and 3
    4. all are correct

    Option: C

  3. The transfer of heat energy from a body or a system to the other body or system is accomplished through the process of

    Options:
    1. Radiation
    2. Convection
    3. Conduction
    4. All of the above

    Option: D

  4. The transmission of heat energy from one body to the other body without any medium is called

    Options:
    1. Sublimation
    2. Radiation
    3. Convection
    4. Conduction

    Option: B

  5. The transmission of heat energy from one body to the other body through the molecules is called

    Options:
    1. Radiation
    2. Convection
    3. Conduction
    4. Sublimation

    Option: C

  6. The transmission of heat energy from transfer through the movement of a mass of substance from one place to another place is called

    Options:
    1. Radiation
    2. Convection
    3. Conduction
    4. Sublimation

    Option: B

  7. Terrestrial or ground radiation includes

    Options:
    1. Radiation from ground surface
    2. Radiation from water surface
    3. Radiation from both, ground surface and water surface
    4. None of the above

    Option: C

  8. The counter-radiation refers to

    Options:
    1. The process of radiation of terrestrial heat energy from the atmosphere back to the earth's surface
    2. The process of radiation of terrestrial heat energy back to the atmosphere
    3. The process of radiation of atmospheric heat energy back to the space
    4. The process of radiation of terrestrial heat energy back directly to the space

    Option: A

  9. The heating and cooling of the atmosphere is accomplished through the process/processes

    1. Radiation, convection and conduction
    2. Terrestrial radiation
    3. Adiabatic mechanism
    4. Direct absorption of solar radiation
    Options:
    1. 1, 2 and 4
    2. only 1
    3. 1, 2 and 3
    4. All are correct

    Option: D

  10. Which of the following statements about Ground radiation is/are correct:

    1. Earth’s surface radiates heat to the atmosphere in the form of longwave
    2. Earth’s surface radiates heat throughout 24 hours
    3. Atmosphere absorbs more than 90 per cent of heat radiated by earth’s surface
    Options:
    1. only 1
    2. only 2 and 3
    3. only 1 and 2
    4. All are correct

    Option: D

  11. Which of the following statements define normal lapse rate

    Options:
    1. Rate of increase of temperature with increasing height
    2. Rate of decrease of temperature with decreasing height
    3. Rate of decrease of temperature with increasing height
    4. None of the above

    Option: C

  12. Which of the following statements is not correct

    Options:
    1. Change of temperature of unsaturated ascending or descending air is called dry adiabatic rate
    2. Change of temperature of saturated ascending or descending air is called moist adiabatic rate
    3. Moist adiabatic rate is also called retarded adiabatic rate
    4. Change of temperature of unsaturated and saturated ascending air remain same

    Option: D

  13. The temperature of unsaturated ascending air decreases with increasing height at the rate of

    Options:
    1. 10°C per 1000 m
    2. 6°C per 1000 m
    3. 6.5°C per 1000 m
    4. 5°C per 1000 m

    Option: A

  14. The earth’s surface receives maximum energy at

    Options:
    1. 12:00 noon
    2. 2:00 PM
    3. 3:00 PM
    4. 4:00 PM

    Option: A

  15. The temperature of saturated ascending air decreases with increasing height at the rateof

    Options:
    1. 6.5°C per 1000 m
    2. 10°C per 1000 m
    3. 6°C per 1000 m
    4. 5°C per 1000 m

    Option: C

  16. The maximum temperature on earth’s surface is recorded at

    Options:
    1. At 12:00 noon
    2. Between 2:00 pm to 4:00 pm
    3. At 6:00 pm
    4. At 11:00 am

    Option: B

  17. The lowest temperature within 24 hours is recorded

    Options:
    1. At midnight
    2. Just before sunrise
    3. Just after sunrise
    4. At 4:00 am

    Option: C

  18. The difference between the highest and the lowest temperatures iscalled

    Options:
    1. Range of temperature
    2. Anomaly of temperature
    3. Average temperature
    4. None of the above

    Option: A

  19. The differences between the maximum and minimum temperatures of a day (24 hours) is called

    Options:
    1. Annual range of temperatures
    2. Diurnal range of temperature
    3. Daily range of temperature
    4. Both b and c

    Option: D

  20. The equilibrium between incoming solar radiation and outgoing terrestrial radiation occurs

    Options:
    1. About 90 minutes before sunset
    2. Just before sunset
    3. Just after sunrise
    4. At 12:00 noon

    Option: A