Related Questions

Wave trap is used to trap waves of
A power frequencies
B higher frequencies entering generator or transformer units
C either of the above
D none of the above
Which of the following green house gases trap more heat?
A Methane
B Nitrous oxide
C Carbon dioxide
D Trifluoro methyl sulphurpentafluoride
Which of the following gases are responsible for the greenhouse gas effect on Earth?
A Water Vapour and Carbon dioxide
B Carbon dioxide and Nitrogen
C Oxygen and Methane
D Ozone and Methane
Of the gases listed below, which is not believed to be responsible for enhancing the earth's greenhouse effect?
A Chlorofluorocarbons (CFCs)
B Molecular oxygen (O2)
C Nitrous oxide (N2O)
D Carbon dioxide (CO2)
E Methane (CH4)
Which of the following gases are mainly responsible for the atmospheric greenhouse effect in the earth's atmosphere?
A Oxygen and nitrogen
B Nitrogen and carbon dioxide
C Ozone and oxygen
D Water vapor and carbon dioxide
Which one is not a primary greenhouse gases in the Earth's atmosphere?
A Carbon dioxide
B Methane
C Nitrogen
D Ozone
Green house gases blanket/block the infrared radiation from earth's surface to the atmosphere leading to its progressive warming up. Which of the following gases does not exhibit green house effect?
A CO2
B H2
C SO3
D N2
Except for monoatomic gases, the molal heat capacity at constant volume for all gases is __________ Kcal/Kg mole.° K.
A 3
B > 3
The greenhouse effect is _____ phenomenon.
A natural
B global
C artificial
D meritime
Greenhouse effect is strengthened by-
A planting trees
B afforestation
C erosion of soil
D destruction of forests

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