- Adiabatic process
- Isothermal process
- Hyperbolic process
- Polytropic process
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The temperature at which a gas, when subjected to Joule-Thomson expansion, neither cools or heats up, is termed as the __________ temperature. Above this temperature the gas heats up on throttling and below this the gas cools down.?
Answer: Option 3 Let'
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Two men and women are entrusted with a task. The second man needs three hours more to cope up with the job than the second man and the woman would need working together. The first man, working alone, would need as much time as second man and the woman working together. The first man working alone, would spend eight hours less than the double period of the time second man would spend working alone. How much time would the two men and the women need to complete the task if they all asked together?
Answer: Option 1 Difference in times required by the first man (A) and second man (B) = 3 hours. Also, if ta and tb are the respective times, then tb -...
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During dehumidification of unsaturated air wet bulb temperature & partial pressure of vapor are not constant. However, during evaporative cooling process with recirculated water supply, the __________ remains constant.?
Answer: Option 1 Let'
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The C.O.P. of an absorption type refrigerator is given by (where T₁ = Temperature at which the working substance receives heat, T₂ = Temperature of cooling water, and T₃ = Evaporator temperature)?
Answer: Option 2 The C.O.P. of an absorption type refrigerator is given by [T₃ (T₁ - T₂)]/ [T₁ (T₂ - T₃)] (where T₁ = Temperature at which the working substance...
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A process, in which the gas is heated or expanded in such a way that the product of its pressure and volume remains constant, is called?
Answer: Option 2 Let'
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Which of the following remains constant during sensible cooling process ?
Answer: Option 3 Let'
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Which of the following remains constant during evaporative cooling process with recirculated water supply?
Answer: Option 3 Let'
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Working principle of mercury in glass thermometer is based on volumetric expansion of mercury with increase in temperature. Which of the following undergoes minimum volumetric expansion for a given temperature change?
Answer: Option 2 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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