- Conduction of heat upward from a hot surface
- Convection from a hot surface
- Absorption of infrared energy that has been radiated from the surface
- Heat energy from the earth's interior
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The depth of centre of pressure (h) for a vertically immersed surface from the liquid surface is given by (where IG = Moment of inertia of the immersed surface about horizontal axis through its centre of gravity, A = Area of immersed surface, and x = Depth of centre of gravity of the immersed surface from the liquid surface)?
Answer: Option 4 Let'
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The bypass factor (B. P. F.) in case of sensible heating of air is (Where td₁ = Dry bulb temperature of air entering the heating coil, td₂ = Dry bulb temperature of air leaving the heating coil, and td₃ = Dry bulb temperature of heating coil)?
Answer: Option 2 The bypass factor (B. P. F.) in case of sensible heating of air is (td₃ - td₂)/(td₃ - td₁) Where, td₁ = Dry bulb temperature of air entering the...
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The sensible heat factor during the heating and humidification process is given by (where h₁ = Enthalpy of air entering the heating coil, h₂ = Enthalpy of air leaving the heating coil, and hA = Enthalpy of air at the end of humidification process)?
Answer: Option 4 The sensible heat factor during the heating and humidification process is given by (hA - h1)/ (h2 - h1)
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Directions : In each of the following questions a statement is given, followed by three conclusions. Give answer : Statement : Quality of life of a person is not dependent only on his wealth. Assumptions : I. The aim of most people is just to acquire more wealth. II. There are some factors other than wealth which contribute to the quality of life. III. Wealth does not contribute to the quality of life at all.?
Answer: Option 3 Clearly, I does not follow from the statement. So, it is not implicit. The statement mentions that quality of life does not depend only on wealth. This...
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Green house effect is the heating up of the Earth's atmosphere which is due to?
Answer: Option 3 Green house effect is the heating up of the Earth's atmosphere which is due to infrared rays.
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Which layer of the earth's atmosphere reflect back the radio waves to the earth's surface ?
Answer: Option 1 Ionosphere reflect back the radio waves to the earth's surface.
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A considerable part of the harmful ultraviolet radiation of the sum does not reach the earth surface, because of the fact that, there is a layer of __________ high above earth's atmosphere, which absorbs it.?
Answer: Option 3 Let'
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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?
Answer: Option 3 Let'
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Which of the following are true with regard to temperature control of the atmosphere of a given place I. The major temperature contrasts on earth's surface are between land masses and oceans II. During night, the water surface cools more rapidly than the land surface III. Temperature generally decreases with latitude on either side of the equator IV. Temperature rises to a maximum during summer and falls to a minimum during winter?
Answer: Option 1 The following are true with regard to temperature control of the atmosphere of a given place are The major temperature contrasts on earth's surface are between land...
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Which of the following is not one of the three processes involved in the transfer of water between the atmosphere and the surface of the Earth?
Answer: Option 1 Insolation is not one of the three processes involved in the transfer of water between the atmosphere and the surface of the Earth. Insolation is the amount...
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